Union City(Earth 405)

We see a rapist broke into a family house as the screen show the little girl and her mother is hugging her as they are hiding away from the rapist while her father fight back.

Little Girl:*Tear up*Mama..I'm scared..!

Little Girl Mother:*Tear up*Don't worry...Mama will always protect you..!

But then they heard her father screamed as the rapist open the door and saw them as outside show a laying blood body of the little girl father and the rapist slowly come closer to them.

Little Girl Mother:Wh-what do you want...Stay away from us!

The Rapist smirk as they crying and screamed.

Little Girl/Mother:Ahhhhhh!

Timeskip

The screen show the little girl and her mother lifeless body on the ground with no clothes as the rapist look at them.

Rapist:*Smirk*Hehe a lucky day for me.

He was about to leave when suddenly he heard something coming from behind as he look behind and saw a monster.

Rapist:*Shocked*Who are you monster?!

The monster run and punch his stomach as the monster drag the rapist into a mirror.

Rapist:No NO!Help!AAHHHH!

The monster then got into the mirror with the rapist as the mirror show a figure is watching while he keep saying the words.

???:Tatakae..Tatakae..Tatakae

He keep saying as the screen then change to a person who is walking on the street before he look back and reveal his appearance.

Issei Hyoudou(Alternate)(Older)

(Imagine he is wearing glasses and his black jacket)

He then keep walking as the screen change into another person riding his motorbike as he took off his helmet and reveal his appearance.

Yuuto Kiba(Alternate)(Older)

(Imagine he is wearing his black jacket)

He then walk into a store as the screen change to another person fighting an innocent person as he kick the person stomach and step on his head as he reveal his appearance.

Riser Phenex(Alternate)(Older)

Riser:You wanna fight back huh?I dare you!

He keep kicking on the innocent person as the screen change into another person drink his coffee as he look at the window and reveal his appearance.

Azazel(Alternate)

He then got up and walk away as the screen switch back to Issei as he look at the sky and the civilians walk pass by as he blink his eyes before he heard a sound.

https://youtu.be/fmvZ-eu2710

He open his eyes and found out he is laying on the ground as he got up and look around as the street is empty and the word are in reverse.

Issei:Where am I?

He start walk around and tried to find anyone but nobody is here but then he heard a voice.

???:Wake up.Don't be confused about it.

Then he was transported at the park as he look around and saw some of the people is also here as they saw their contract monsters came behind them.

Issei:Oi!What is this about and where are we?!

???:You are in a mirror world and I invite all of you to beat the game and battle each other.

Person 1:Wait..Then what the point?!Why are we battle each other?!

???:Whoever who win...will granted the wish.

Person 2:Wait?!Any wish?!

???:Yes..only the last rider will be granted..now...tatakae!

But then we see Riser smirks as he got up.

Riser:So the battle has began huh..I don't care about any wish.At least...more funs to begin.

He pull out his card deck as a belt appear to his waist.

He then does his pose(The same pose of Takeshi).

Riser:Henshin!

He insert to his belt as he transformed into a Kamen Rider.

Kamen Rider Ouja(Ancient)

He crack his neck as he look at everyone and start attack it as some of them dodge it and Issei drop something to the ground as he pick it up and reveal his card deck.

He then get some flashback as he look at his card deck.

Issei:I think..I know how to fight..

Person 2:Huh?

He pull his card deck in front as a belt appear from his waist and he does the pose.(The same Shinji pose)

Issei:Henshin!

He insert to his belt as he transformed into Kamen Rider Ryuki(Ancient).

Issei(Ryuki Ancient):Sha!

Ouja look at Ryuki and start run toward to him as they pull out their card and insert to their device.

Sword Vento!

They summon their weapon and clash at each other as they look at each other before back off and start slashing it as the same figure look at them at the rooftop.

???:Yes..let the battle begin..The new Rider Fight has begin!

The screen then change and show a lot of riders on the screen before showing Ryuki and Knight clash their weapon and the title appear.

"Kamen Rider Ryuki:Advent Battle!"

Next:Ep1:Born And Another