Mirror World(3rd POV)

At the mirror world where everything is reversed,it empty on the other side as we see a person woke up at the street and he look around.

Issei Hyoudou(Alternate)(Older)

(Imagine he is wearing his black jacket)

Issei:Where am I?

Then we see everyone is at the park as they saw their contract monsters came behind them.

???:I invite all of you to beat the game and battle each other..

Then we see those wild monsters appear.

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

As the person smirks.

Riser Phenex(Alternate)(Older)

Riser:So the battle has began huh..

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

Riser:Henshin!

He does his pose as he insert to his belt and transform into Kamen Rider Ouja(Ancient).

He crack his neck as he attack everyone.Issei look at his card deck and he get some flashback.

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

Another Person:Huh?

He pull his card deck in front as a belt appear and he does his pose.

Issei:Henshin!

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

Issei(Ryuki Ancient):Let's go!

Insert:Go!Now!Alive A Life!Neo!

https://youtu.be/TsA-XKzcMKk

Ima Ni Mo Ano Itami Ni

The scene show a person talking to Issei.

Random Person:I don't wanna be in this.I wanna go home.

Issei:Are you an idiot?!

Kokoro Ga Oresou Demo

Issei:You just gonna give up like that?!

Ingvild Leviathan(Alternate)(Older)

Ingvild:Yeah.He's right.

Angai Omotteru Yori

Gasper Vladi(Alternate)(Older)

Gasper:So all we gonna do is..

Issei:Yep..

Bokura Wa Zutto Tsuyoi Mono Da Ze

Issei:Our only way is to keep battle and keep survive!

READY, GO! NOW!Yume Ni Odore

The scene show Ryuki,Femme,Raia and Imperer charge at Gai,Tiger and Scissors and attack.

Karada Ga Ugoku Mama Ni

Genshirou Saji(Alternate)(Older)

Saji:What was a point for you guys?

Then we see Saji as Kamen Rider Gai charge at Ryuki.

Jibun To No Tatakai Ni

The scene change to a person does his pose.

Yuuto Kiba(Alternate)(Older)

Kiba:Henshin!

He transform into Kamen Rider Knight(Ancient).

Mou Ichidou Idomunda

We see a person look at Riser.

Azazel(Alternate)

Azazel:What are you planning to do Riser?

Then Azazel as Kamen Rider Zolda(Ancient)pull out his Final Vent.

READY, GO! NOW!Hashiri-Dasou

We see Another Ryuki is destroying the city as the civilians run away.

Negatta Basho Ni Mukatte

Issei:Yamero!!!

Then we see Kamen Rider Ryuga(Ancient)deliver a kick at Femme.

Kagami Ni Utsuru DÉJÀ VU

We see Knight pull out his survive card and insert to his weapon.

SURVIVE!

Ichigeki De Uchi-Kudaki

We see Ryuki insert his Final Vent.

Final Vento!

As he jumped.

Shinjitsu O Mi-Nogasu Na

He rotate his body and deliver a flaming kick.

Starting From...

Issei Hyoudou/Kamen Rider Ryuki(Ancient)

We see Issei look at the scene as the scene change to he is in Ryuki suit.

Yuuto Kiba/Kamen Rider Knight(Ancient)

We see Kiba look at the left as the scene change to he is in Knight suit.

Azazel/Kamen Rider Zolda(Ancient)

We see Azazel look at his hand as the scene change to he is in Zolda suit.

Riser Phenex/Kamen Rider Ouja(Ancient)

We see Riser crack his neck as the scene change to he is in Ouja suit.

Gasper Vladi/Kamen Rider Raia

We see Gasper look behind as the scene change to he is in Raia suit.

Genshirou Saji/Kamen Rider Gai

We see Saji look at the right as the scene change to he is in Gai suit.

Ingvild Leviathan/Kamen Rider Femme

We see Ingvild look up as the scene change to she is in Femme suit.

The scene then show Ryuki and Knight fighting each other as the title appear.

Kamen Rider Ryuki:Advent Battle!

Coming Soon...

Notes:

-This spin-off will take place after the movie(Kamen Rider Decade:Absolute Showdown).

-Most of the characters will be DXD because I got that ideas for it.

-I was planning to Abyss into but I manage to scrap that and replace with Femme.