Kitashirakawa Chan, a girl who was born with no emotions, lost control and killed the girl she loved.
A survival game involves her. She makes a contract and gains superpowers. The wish of the person who survives to the end will be fulfilled.
But as the game develops, Cicada gradually discovers that something is not right about this game and everything at the beginning.
[Dark Direction] The protagonist is decisive in killing, will kill innocent people indiscriminately, and is an absolute egoist.
Concept: unlimited flow