Japan in parallel worlds where the labyrinth appeared more than one time and monsters began to gush out. The labyrinth, which should initially have only been a new disaster, was transformed into a turning, gold-grabbing stage by the precious resources created by the labyrinth and the presence of “cards” dropped by monsters. Monster
cards that can summon monsters freely, adventurers who attack the labyrinth with the power of cards, dungeon TVs that deliver their appearance, coliseums that make monsters fight...... They enthused people, and only when had adventurers become the profession they admired.
Mobcharacter's high school student, Kitakawa Sing, sees his friend, who should have been the same Mobcharacter, devoured to the top of the class karst as soon as he became an adventurer, and decides to become an adventurer himself.
Singing puts his life on a million yen madness chatter once to get a rare card that he can boast to everyone -?
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