prologue

(This takes place in Cardfight!! Vanguard G: Next)
Hansuke Kankei is just a normal guy you can see everyday as average. Except he is an otaku, and a cardfighter. But that changes when he had accidentally drank something, and the next day, he woke up to find a girl next to him, asleep

What would happen? Read up to find out

P.S: I don't own Cardfight!! Vanguard

P.P.S: ECCHI AND HENTAI ALERT