1
A Contract for Conception
Ayano Katase, an OB-GYN doctor pressured by her mother to conceive a child to inherit the family clinic, crosses paths with Inaba, a game company owner who believes he suffers from impotence. After a medical examination reveals that Inaba is actually exceptionally fertile, Ayano proposes a marriage of convenience with one strict condition: he must get her pregnant within a year.
1
A Contract for Conception
Ayano, an OB-GYN doctor pressured by her mother to conceive within a year to inherit the family clinic, crosses paths with Inaba, a man who believes he is impotent. After a medical examination reveals that Inaba is actually highly fertile and uniquely compatible with her, Ayano proposes a marriage of convenience. Inaba agrees to the arrangement on the condition that he successfully gets her pregnant within the year.
4
A Rainy Night's Temptation
Caught in a torrential downpour, Inaba and Kagamiya are forced to seek shelter together for the night. Despite his commitment to Ayano, Inaba succumbs to Kagamiya's seductive advances in a moment of weakness. The tension peaks the following day when Ayano makes an unexpected visit, risking the exposure of their secret encounter.
5
Beyond the Obligation
Ayano visits Taika's office to bring him a change of clothes, where she is introduced to his colleagues as his girlfriend. Back at home, the couple reflects on the nature of their contract marriage and shares an intimate night together. Taika expresses his desire for their physical connection to be driven by genuine pleasure and affection rather than a mere obligation to conceive.