The model school of all dormitory system made in Utsumi's solitary island. Protagonist that frequents there, a certain day "The special guest status to the hypnosis game was obtained" mail reaches. And at the same time, hypnosis application program installed on terminal.

Though it tries on the younger sister and have understood that the application program was a real thing, the content to be suspicious "depriving the application program of others until just one have it", i did not feel like participating aggresively.

However, a certain day, the student council president makes a striptease in the place of the whole school assembly. Moreover, an incident occurs whre one does not remember why it did such a thing.

Protagonist that notices it is the act of someone obtaining the hypnosis application program, he will participate in the game for the sake of the girls who he is intimate with.