Whether found on a dark web forum, sent by an anonymous entity, or appearing mysteriously on the phone, the app promises the ability to alter human perception and behavior.
: Later chapters see Kai confessing the app's existence to the girls, becoming their official boyfriend, and deepening his relationships with each of them. Volume 4's synopsis promises an emotional conclusion to the all-ages hypnosis harem love comedy. -read saimin app de yumeno harem seikatsu chapter 1-