The "Players", people with unique abilities, protected the world from evil as adventurers... but that was in the past. Nowadays, being an adventurer has become a hobby, with only those who seek fame and glory take it seriously. Daniel Gibson, a 29-year-old receptionist at an adventurers' guild, lives an uneventful life until a small incident changes his reality forever.

In a chaotic multiverse, different versions of the same person are forced to face each other in bloody battles, where the survival of their universe and their longed-for freedom are at stake. Each victory grants them a random power, as unpredictable as it is decisive, while in the real world humans watch the spectacle with morbid fascination and amusement, indifferent to the fighters’ suffering.

A boy has the unfortunate luck of encountering a monster that wants to eat him, but what the monster does not know is that he’s the prey