Blane is one of the best Requiem for Humanity players in the world, winning the regional championships for the TCG three years running.After his most recent win he obtains a new card that even the judge doesn’t recognize, the wording is strange and the feeling he gets when looking at the card is like it’s calling to him.When he ends up entering a portal created by the card he winds up in Tesvala, the world of the card game, where he can cast spells as easily as playing his cards.Blane soon learns that the story the cards tell is true. The males of the world are being transformed into disturbing thralls who follow the will of nightmarish monsters.Side by side with Kana and two other women from his deck Blaine will learn how to level up his magic, cast stronger spells, and learn how to enhance their powers even as he learns he has a choice to make. One that will decide the fate of not just their world, but his own.