Virgin girls are pampered with smartphones allowed by the state, but it's definitely unmatched. As part of global measures to combat extremely low birth rates, the government has officially decided to distribute "event-enabled smartphones" to men who can become pregnant, and this is being promoted in a trial. With this, Nagata, a dull virgin student, finally received the long-awaited month-long event privilege. The first to accompany him is Mitsuki Nagisa, a beautiful girl who just transferred from another school. For some reason, she has a shadow, and indeed, she has her reasons. Nagata, who is unaware of such things, believes that an event will naturally occur, so he approaches her and pampers her in the name of an event, but... At that time, he had no idea that the encounter between him and her would be the catalyst for a major incident later on...
