Azure arrived at his house with Den Kishinami
So this is your house?

Azure: Yep
Den: Interesting
Azure: By the way, I never got your name,
Den: Oh, it's Den Kishinami
Azure: Well then Kishinami, I get the feeling you and I are going to get along very well.
Azure opens the door to his house with Den Following him as they were greeted by 4 CPU Girls
Noire: Azure! Where were you?
Azure: Sorry Had to go pick up someone
Blanc: Hey Azure who's that?
Azure: This is Den Kishinami, he's an expert duelist,
Den: Hold on, Azure You know these girls?
Azure: I do I was the one who taught them Duel Monsters, Den, this is Neptune, Vert, Noire, and Blanc,
Den: I see Pleasure to meet you,
Blanc: So What's your story?
Den: Well my friends and I are participating in a tournament.
Vert: You have friends? What are their names and what type of decks do they use?
Den: Well I can't tell you what type of decks they use but I can tell you their names. First, there's Kira Tidal, my childhood friend, Ryu Draco is my Rival, Lila Rose is Kira's friend and Jin Kusanagi is My other childhood friend.
Azure: I see. Hey Noire, why don't you duel our guest here,
Noire: Sure Besides I want to see How Strong Den is.

[There should be a GIF or video here. Update the app now to see it.]

Den, his opponent, and the others head outside to Azure Background as Den and Noire Faced each other

Noire: Alright, Kishinami, Let's see if you are a good duelist
Den: In that case, I won't hold back
Then Silent Honor Dark's spirit appeared beside Den
SHD: Careful Kishinami, She's not like the last opponent you faced
Den nods as he inserts his deck in the duel disk
The two Duelist ready their duel disks before saying the word in Unison

Noire and Den: DUEL!

Den Kishinami: 4000 LP
Noire/Black Heart: 4000 LP

Turn 1: Den Kishinami

Noire: Den why don't you go first, I want to see what you're capable of,
Den: Right, Here we go!
Den: To start I summon Linkslayer in attack mode
Den summons a card that looks like a Cyberse warrior with gold armor a cape and a lion helmet

Linkslayer -
(Cyberse/Effect) - (LVL: 5/ATK: 2000/ DEF: 600)

Noire: But that monster has 5 stars you can't summon it.
Den: Normally yes, but when I have no monsters on my field I can special summon it.
Den: Next I play the Spell Card Cynet Mining,
Den shows a card that shows cybernetic coins being Dugout

Cynet Mining - (Spell/Normal)

Den: I send one card from my hand to the graveyard I can add one level 4 or lower Cyberse monster from my deck
Den sends Dotscaper to the graveyard and adds Draconnet

Den: And look, The card I discarded was Dotscaper, which summons itself,

A cybernetic white pixelated monster appeared from the card

Dotscaper -(Cyberse/Effect) -
(LVL: 1/ATK: 0/DEF: 2100)

Vert: Wow, This guy's full of surprises
Den: Now, with these two monsters, I can link summon!
Noire: A Link Summon!? What's that!?
Den: Allow me to be the first to show you. I create my circuit! The requirements are 2 Cyberse Monsters
Dotscaper and Linkslayer set themselves on the Link Arrows
Den: I link summon, Link-2 Cyberse Witch!
When the circuit was complete a female Cyberse monster with a hood, cape and a rod appeared

Cyberse Witch - (Cyberse/Link/Effect) - (Link-2/ATK: 800)

Blanc: So that's a link summon.
Den: Now I summon Draconnet!
A light blue Cyberse wyvern appeared from the card

Draconnet - (Dark/Cyberse/Effect)
(LVL: 3/ATK: 1400/ DEF: 1200)

Den: And since I was able to summon it, Now I can bring out a level 2 or below normal monster from my deck, Bitron to be exact!
A Mini virtual robot with glowing blue eyes appeared from the card

Bitron - (Earth/Cyberse/Normal) -
(LVL: 2/ATK: 200/DEF: 2000

Den: Next, since I have a Cyberse monster on my field, I can Special Summon, Backup Secretary!
A female creature with hi-tech goggles with purple hair and hi-tech clothing appeared.

Backup Secretary- (Light/Cyberse/Effect) -
(LVL: 3/ ATK: 1200/DEF: 800

Den: Now with Backup Secretary and Draconnet, I build the Overlay Network!
Nepgear: Woah, What kind of summon was that!?
"That is an Xyz summon, it can only be performed if you have 2 monsters that are the same level," Azure explained
Den: I Xyz summon, Cyberse Reminder!
Once the Xyz summon was complete a Cybernetic warrior with Screwdriver arm blades appeared

Cyberse Reminder - (Cyberse/Xyz/Effect) - (ATK: 1800/DEF: 800)

Den: Now I activate its effect, by detaching one material I can add a Cynet Spell or Trap from my Graveyard to my hand
A card ejects from Den's Graveyard
Den: So I'll add Cynet Mining back to my hand.
Den: I'll end my turn by placing one card facedown, your move.
"So this is the power of his Cyberse deck," Azure said to himself.

Turn 2: Noire/Black Heart.

Noire: Finally, I Draw!
Noire: I summon Dark Blade!
A jet-black armored Warrior with a red cape wielding two swords appeared.

Dark Blade - (Dark/Warrior/Normal)
(LVL: 4/ATK: 1800/DEF: 1500)

Noire: Now attack his Cyberse Witch!
Dark Blade readies his swords and charges at Cyberse Witch.
Den: You'll have to do better than that, I play my face down, Security Block!
Den Reveals his facedown which shows two creatures with different colored shields

Security Block (Spell/Quick-Play)

Dark Blade attempts to slash Cyberse Witch but it was protected by the barrier.
Den: Not only is my Witch safe, but Neither of us also take damage this turn
Noire: Fine, I'll just set one card face down. And end my turn.

Turn 3: Den Kishinami

Den: My move,
Noire: Well?
Den: ...I'm just gonna set a face down.

Turn 4: Noire/Black Heart

Noire: That's it? Alright then,
Noire draws her card.
Noire: Let's try this again, Dark Blade, attack his Cyberse Witch!
Once again Dark Blade attacks Cyberse Witch.
Den: Nice try, I play my face down, Jelly Cannon
Den reveals his trap card which shows a cannon shooting out Jelly.

Jelly Cannon -
(Normal/Trap)

Den: Now your attacking is shuffled into your deck!
The cannon shoots out jelly causing Dark Blade to disappeared
Noire: Ugh... I'll end my turn.

Turn 5: Den Kishinami

Den: My move,
Den drew his card and looks at it.
Den: I'll set a card and end my turn.
Blanc: Why does he keep setting his cards?
Vert: He probably needs something to turn the tides.

Turn 6: Noire/Black Heart

Noire: My turn then.
Noire draws her card as she smirks after she looks at the card she drew.
Noire began to transform, she was now in her HDD Form and Became Black Heart
Black Heart: I'm impressed with your skills but it's time I stop holding back, I play the Spell, Dark Dragon Ritual!
The artwork shows a dragon knight invoking a dragon

Dark Dragon Ritual
(Spell/Ritual)

Black Heart: By sending Red-Eyes Wyvern to the graveyard I can ritual summon, Paladin of Dark Dragon!

A dark dragon rider with a black armored dragon appeared.

Paladin of Dark Dragon - (Dragon/Ritual/Effect
(LVL: 4/ATK: 1900/DEF: 1200)

Black Heart: Now I'll use my Paladin's effect by tributing itself I can summon Red-Eyes Black Dragon!

Red-Eyes Black Dragon - (Dragon/Normal)
(LVL: 7/ATK: 2400/DEF: 2000)

Black Heart: Now attack Cyberse Reminder with Inferno Fire Blast!
Black Heart's Red-Eyes Black Dragon released a fireball which destroys Cyberse Reminder.
Den didn't flinch nor shielded his eyes.

Den LP: (4000) - 600 = 3400

Den: When Cyberse Reminder is destroyed I can special summon two Level four Cyberse monsters from my deck with their effects negated, and I choose Grid Sweeper and Balancer Lord!
Den summons Grid Sweeper which looks like a flying disk with green highlights with a blue glowing gem in the middle

Grid Sweeper -(Light/Cyberse/Effect)
(LVL: 4/ATK: 100/DEF: 2000)

The other monster wore white armor wielding a sword on one hand and a shield on the other

Balancer Lord - (Light/Cyberse/Effect) -
(LVL: 4/ ATK: 1700/DEF: 1200)

Black Heart: Alright, I'll end my turn,

Turn 7: Den Kishinami

Den: My move,
Den: First I'll create my Circuit, the requirements are two Level 3 or higher Cyberse Monsters so I set Balancer Lord and Grid Sweeper on the link arrows
Den: I link Summon link-2 Elphase!
When the Link Summon is complete, an elf creature with blonde hair wearing a green scarf with high tech leggings and an E belt around his chest appeared

Elphase - (Wind/Cyberse/Link/Effect)
(Link-2/ATK: 2000)

Den: And for each monster that it points to, Elphase gains 300 ATK points!

Elphase (Wind/Cyberse/Link/Effect)
(Link-2/ATK: 2600)

Den: Now I use Cyberse Witch's effect when a monster is special summoned to a zone where my witch is pointing to, I can banish a spell from my graveyard, To add one Cynet Ritual and a Cyberse Ritual monster to my hand.
Two cards eject from his deck as he adds them to his hand.
Den: Now I activate Cynet Mining, as always, send one card to the graveyard, to add a level 4 or lower Cyberse monster to my hand
Den sends Latency to the graveyard and adds ROM Cloudia to his hand.
Den: I summon ROM Cloudia

ROM Cloudia (Dark/Cyberse/Effect) -
(LVL: 4/ATK: 1800/DEF: 0)

Den: When ROM Cloudia is summoned I can add a Cyberse monster from my graveyard to my hand.
A Card ejects from Den's graveyard as he adds Latency to his hand
Den: And since I added Latency to my hand, it summons itself.

Latency (Light/Cyberse/Effect)
(LVL: 1/ATK: 0/DEF: 0)

Den's mind: Alright time to get serious,
Just then a red glowing circle appeared below Den as he began to transform.
As Den Transformed red color armor pieces started attaching to his body. His duel disk changed color to fiery red
When the transformation was complete he was now wearing red armor with Green eyes and green orbs on his knees chest and the back of his hands

Neptune: Woah! You got a transformation too? I guess we're not the only ones who can transform
Den: That's right, Now I create my Circuit! The requirements are 3 monsters so I set Latency, Elphase, and Bitron on the link arrows
Den: I link summon Link-3 Powercode Talker!
When the link summons was complete a red cladded monster with red pauldrons and red armor appeared.

Powercode Talker - (Cyberse/Link/ Effect)
(ATK: 2300/Link-3)

Den: Next, I'll play my Facedown, Cynet Cascade
Den reveals his facedown card which shows Linkuriboh dragging out Texchanger from the link circuit

Cynet Cascade -
Normal Trap

Den: When I link summoned a monster I can special summon a monster that was used as a link material
Den: And I choose Bitron!

Bitron - (Earth/Cyberse/Normal
(LVL: 2/ATK: 200/DEF 2000)

Den: And when Latency was used as a link material I can draw one card.
Next, I'll use Elphase's effect, when it leaves the field I can special summon a Level 4 or lower Cyberse monster from my graveyard. So Welcome back Backup Secretary!

Backup Secretary - (Light/Cyberse/Effect)
(LVL: 3/ATK: 1200/DEF: 800)

Den: Now I use my witch's other effect since it used its first effect. I can special summon a level 4 or lower Cyberse monster from my graveyard, and I choose Balancer Lord!

Balancer Lord - (Light/Cyberse/Effect
(LVL: 4/ATK: 1700/DEF: 1200)

Neptune: So many Special Summons in one turn!
Den: now Powercode, attack her Red eyes! Power Termination Smash!
Vert: Why would he do that!?
Black Heart: Are you an idiot!? You know that your Powercode is 100 Attack points weaker than my Red Eyes!
Den: Sore wa Dou kana?
Black Heart: Huh?
Den: I use Powercode's effect by tributing a monster that it points to, its attack power becomes doubled, so I tribute Bitron.
Black Heart: They're doubled!?

Powercode Talker ATK: 4600

Powercode charged a punch as it hits straight through Red-Eyes destroying it in the process

Noire/Black Heart LP: (4000 - 2200 = 1800)

Den: Now I create my circuit the requirements are 2 Cyberse Monsters I set Cyberse Witch and Balancer lord to their link arrows
Den: I link Summon Link-2 Cyberse Wicckid!
When the link summon was complete a child-like creature with green short hair with a black cloak holding a rod appeared

Cyberse Wicckid - (Wind/Cyberse/Link/Effect)
(ATK: 800/Link-2)

Den: Now I special summon Link Infra-Flier to a zone where my Powercode is pointing at.
A blue Hand Glider-like Creature appeared

Link Infra-Flier - (Wind/Cyberse/Effect)
(LVL: 2/ATK: 0/DEF 1800)

Den: Now for Cyberse Wicckid's effect, by banishing Dotscaper from my graveyard I can add one Cyberse tuner monster from my deck to my hand.
A card ejects from his deck as he adds his Cyberse tuner monster to his hand.
Den: And since Dotscaper was banished, you can guess who's coming out.

Dotscaper - (Earth/Cyberse/Effect)
(LVL: 1/ATK: 0/DEF: 2100)

Den: Now I activate Cynet Ritual,
Den shows a card with cybernetic hexagons

Cynet Ritual
(Spell/Ritual)

I send Link Infra-Flier, Backup Secretary, and Boot Staggered to the graveyard to Ritual Summon, Cyberse Magician!
A spellcaster with a light blue robe with green hair wielding a neon staff appeared

Cyberse Magician - (Dark/Cyberse/Ritual/Effect)
(LVL: 7/ATK: 2500/DEF: 2000)

Neptune: First a Link Summon then an XYZ Summon now a Ritual summon? Geez, how many summoning methods does this guy even have?!

Den: That ends my turn, oh and as long as Cyberse Magician is out when I have a link monster, my magician is the only monster you can
target.

Turn 8: Noire/Black Heart

Black Heart drew her card
Once she looks at it. she devilishly smirks
Black Heart: Time to put your monsters in their place. I activate Raigeki which destroys all monsters on your field

The giant lightning bolt appears and destroys ROM Cloudia and Dotscaper but Cyberse Wicckid as well as Cyberse Magician and Powercode were still standing
Black Heart: What?
Den: Sorry, but as long as Cyberse Wicckid is pointing at a monster, my monsters can't be destroyed by card effects, the only monsters you destroyed were Dotscaper and ROM Cloudia, When ROM Cloudia is destroyed I can summon a level 4 or lower Cyberse monster from my deck, and I choose Clock Wyvern!

A cybernetic dragon with purple wings and armor appeared

Clock Wyvern - (Wind/Cyberse/Effect) -
(LVL: 4/ATK: 1800/DEF: 1000

Black Heart: Well then I'll play my face down Red-Eyes Spirit! This lets me bring back red eyes from my graveyard. So welcome back my Red-eyes Black Dragon
Noire: Now I'll use Polymerization! I fuse my Red eyes and my Meteor dragon to fusion summon. Meteor Black Dragon!
A Giant purple skinned dragon with lava covering its scales appeared.

Meteor Black Dragon - (Fire/Dragon/Fusion)
(LVL: 8/ATK: 3500/DEF: 2000)

Neptune: That Can't be good
Black Heart: Now attack Cyberse Magician!
Meteor Black Dragon released a fiery blast from its breath as it destroys Cyberse Magician,

Den LP: (3400) - (500) = 2900

Vert: Hold on, Meteor Black Dragon has 3500 ATK and Cyberse Magician has 2500. How come he took 500?
Den: When I take damage if I have Cyberse Magician, all the damage I take is halved.
Black Heart: Alright I'll end my turn.
Azure: (Den let's see how you're going to get out of this predicament)

Turn 9: Den Kishinami

Den: I... draw!
When Den drew his card, he looked at it and drew the card he was looking for as he smirked under his armor
Den: I activate Cynet Fusion!

Cynet Fusion -
(Normal/Spell)

Den: This card's just like Polymerization, I fuse Clock Wyvern and Powercode Talker
Black Heart: What!?
Den: You are not the only one here who can fusion summon
Powercode Talker and Clock Wyvern fuse themselves
Den: I Fusion Summon Cyberse Clock Dragon!

When the fusion summons is complete, a virtual dragon with glowing yellow wings with purple scales, and blue eyes appeared.

Cyberse Clock Dragon - (Dark/Cyberse/Fusion/Effect)
LVL: 7/ATK: 2500/DEF: 2000)

Den: Now for its effect, I mill cards from my deck to the graveyard equal to the total link rating of the monsters I fused, and it gains 1000 ATK for each one. As you can see the total was 3 so I mill three cards from my deck to the graveyard and it gains 3000 ATK

Cyberse Clock Dragon (ATK: 5500/DEF: 2000)

Den: Next I'll use Prohibit Snake's effect from my graveyard, by banishing one card from my graveyard I can add a level 4 or lower Cyberse monster to my hand.
Den: I'll add Latency to my hand, which summons itself.
Den: Now I create my circuit, the requirements are 3 or more Cyberse monsters including a Ritual, Fusion, Synchro, or XYZ. So I set Cyberse Clock Dragon, Cyberse Magician, Latency, and Cyberse Wicckid.
Den: I link summon Link-4 Linkmail Archfiend!
A giant gray-colored demon-looking monster with four arms appeared.

Linkmail Archfiend (Dark/Cyberse/Link/Effect) -
(ATK: 2800/Link-4)

Azure: So that's his ace monster.
Blanc: I never seen anything like it.
Den: And with Latency's effect I draw one card.
Den: Now for Linkmail's effect when it's summoned I can choose one monster from my graveyard and your monsters lose attack points equal to that monster's attack as long as the selected monster is either a Fusion, Ritual, Synchro, or Xyz, so I choose Cyberse Magician so your monsters lose 2500 attack points.

Linkmail Archfiend's hands glowed blue as it weakens Noire's monster.

Meteor B. Dragon: ATK: 1000

Den: Next I use Grid Sweeper's effect from my graveyard by banishing it along with a link monster. I can destroy one card on the field, and I choose your face down card.
Black Heart's face-down card instantly shatters by Grid Sweeper's Effect
Neptune: Oh no Noire's Toast!
Den: Time to end this. Linkmail Archfiend attack with Ritual Rush!
Linkmail's hands glowed blue and did a barrage of punches before ending with one final punch, destroying Red Eyes as Noire was knocked back from the explosion as she reverts back to her original form

Noire/Black Heart LP (1800) - 1800 = 0

Once the duel was over Den reverted back to his original form.
Den: That was a great Duel.
Noire: Wow I didn't know you were good I guess Azure wasn't kidding!
Neptune: Wow! You were great Den! Maybe in the future, you can teach me how to link summon?
Just then they saw Den leaving.
Blanc: Hey where are you going!?
Den: I have a tournament to win, you are welcome to join me if you want
Neptune: We'll be ok, but we will be cheering for you.
Den opens up a portal using his duel watch,
Before he left, he looks back and gives a thumbs up notifying that he will win the tournament.
"Kishinami, I wish you good luck," Azure said after Den Left