Video Game / Weiss Survive

The story follows the main characters Takeshi and Michi as they get lost in the Card Battle world and have to win card battles to return home.

(Ripped from Anime News Network)

Also the starting point of the Weiss Schwarz Card Game.

Got a second season called Weiss Survive R.

Has its own wikia here.

This Video Game contains examples of:


http://tvtropes.org/pmwiki/pmwiki.php/VideoGame/WeissSurvive