It was a normal day for Yuji, going to school, then to the gym he was attending and finally home. A monotonous, but pleasant routine. There was no cause for pride, much less shame, so for the teenager that was enough.
As always, everything was going as it should. That was until the moment when, looking in the mirror, the boy's whole perspective seemed to change. Facing someone who looked like him, but at the same time, was not him, Yuji sees himself in a similar world, but which is certainly not his.

Crossover world of animes, including Tokyo Revengers, Baki, Kengan Ashura, Holyland, Hajime no Ippo and others that can easily be included in FF if readers have ideas.