モノマギア・カンタービレ

"That's the only magic left in this world." The protagonist finds herself standing in a strange room. Outside is a town with unusual buildings that look like something out of a picture book. This is a world where everything is decided by playing the card game "Monomagia". In order to return to her own world, the protagonist sets off on a journey with her friends. This is a story about "bringing hope for the future". [Adapted from official website]