Des:A virgin impregnated with a state-approved smartphone is supposed to be unrivaled... As part of measures to combat the extremely low birthrate worldwide, the government has officially decided to distribute ``smartphones with a sex app to men who can impregnate them, which had been on a trial basis. As a result, Nagata, a dull virgin student, finally obtained the privilege of having sex for just one month. The first person he was matched with was Mitsuki Nagisa, a beautiful girl who had recently transferred to a new school. She has a dark side to her, and regardless of her reasons, its clear that shes just a nuisance. Nagata, who does not know this, naturally believes that she will seduce him, so he approaches her and impregnates her in the name of seducing her, but... Little did I know at the time that my encounter with her would be the beginning of a major incident later on...