In Episode 1, we are introduced to Itsuki Sonomiya, a high school student in a world where a pandemic has rendered all men impotent, with the exception of Itsuki. To protect his secret, he transfers to Shinonome Academy, a school predominantly attended by girls. Here, he encounters several key characters:
Akari Himeno: A diligent student and vice president of the student council, known for her kindness towards everyone, regardless of gender.
Kaede Shiina: A school teacher with a cool demeanor, who harbors unfulfilled desires due to the widespread impotence among men.
Aki Kokonoe: A tomboyish student admired as the 'prince' of the school, who initially looks down on impotent men but changes her perspective upon meeting Itsuki.
Yue Kurumizawa: An heiress seeking a man unaffected by the pandemic to become her fiancé, who becomes interested in Itsuki upon discovering his condition.
The episode sets the stage for Itsuki's challenges in maintaining his secret while navigating the affections and intentions of the women around him. The series blends elements of romance, comedy, and adult themes, exploring the dynamics of a world where one man's unique condition places him at the center of attention among four billion women.
