Weiß Survive

Weiß Survive is an anime series based on the card game Weiß Schwarz that aired for two seasons from 2009 to 2010.

The story follows an ordinary student named Takeshi who one day, ends up being mysteriously transported into a strange dimension known as the Weiss Schwarz Battle Space with Michi, the most beautiful girl in the school. There they meet an old man who informs Takeshi that he is the chosen warrior and must win a succession of card battles to get back home. While Takeshi has no idea how to play the game, luckily Michi happens to be an expert who is ready to teach him the ins and outs and help him get ready for the card battles of a lifetime.

Episode 1
Takeshi takes a shower.

Episode 3
Takeshi gets sent into a flashback, where he finds himself wearing his younger self's clothes.