It is said that if one manages to obtain 99 of the devil’s keys, one can have the world and everything in it.

The devil’s key holds mysterious powers.

Insert it…

The “game” conducted by the devil game master begins. Players have no choice but to join, and losers cannot refuse any demand.

Protagonist Teruasa Oda, together with the humans whose desires have been stimulated and are at the mercy of the devil’s key,

risk their lives to play ACMA:GAME. They seek to unravel the mystery behind the devil’s key.

Follow them along the intense tests of their skills as they take on the ultimate mind battle and extreme psychological warfare.

Brace yourselves—the devil’s game that uses humans is about to begin.