"I don't need sweet wispers or an excellent technique. What I want is your perfect genes"

Riko Takahara is a university employee whose boyfriend of two years turned out to have a secret wife and child. Minami Sakurai is an office lady who had an affair with her boss. The two women are college classmates, and now are both single 35 years old. When Riko and Minami happened to meet again, they decided to do a "pregnancy cutlet" and try to get pregnant together, considering each other's current situation and age. But who as the best genetic material? Highly educated creators, cool graduate students, friendly colleagues, playboy juniors ...
Faced with the relentlessly approaching biological time limit of a woman, these two very different women start to have a one-night stands with men who seem to have excellent genes to pass on to a potential child. What fate is waiting for Riko and Minami, who might have to make the ultimate choice between love and children ...!?