Psy-min Appli -Akumu no Netorare Game- The Motion Anime

The protagonist of the hentai, Kushida Touya, studies at a boarding school called "Saimei Academy" on a secluded island far out at sea. One day he receives a letter saying that he has passed the selection to participate in a hypnosis game, and at the same time installs a hypnosis app on his device. After testing the app on his sister and confirming its reality, Touya decides to participate in a game where he must destroy other people's apps until he is the last one remaining. However, during a school assembly, the student council president undresses and claims she doesn't remember why she did it; he suspects it is the work of a person with a hypnosis app, and decides to protect a girl close to him.