Kyou Otto ni Naisho de (Kari) Renai shimasu

Ichika Takashima, a full-time housewife who has been undergoing infertility treatment for three years after marriage.

She wants to make her gentle husband, Haru-kun, a father, so she continues to try and get pregnant, but gradually the couple's gears are not meshing. At that time, she knew that her best friend Mayu was addicted to rental boyfriends.

Ichika, who is worried about her relationship with her husband, wants him(?) to listen to her story, so she decides to use a rental boyfriend just once.