Story
Bored out of his mind, Rokuro never expected to come face to face with the strongest demon in existence—Debby the Corsifa. She’s arrived to wipe out humanity… but instead, he impulsively challenges her to a game of Old Maid! What follows is a showdown with a demon who’s far too easy to read. The fate of humanity hanging in the balance, a series of ridiculous time-killing games is turning world-ending danger into pure comedy!
Synopsis via AniList (English).
Preview
Promo video for this title.
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