Natsu’s niece, who is grappling with her changing relationship with her mother and societal roles as she grows from a child into a young adult.

Natsu’s older sister who is a devoted mother and works at a hostess bar, juggling her insecurities and ambitions while supporting her daughter and sister.

A successful novelist who befriends Natsu, supporting her on her fertility journey and embodying the role of a confident single mother.

A significant male character and friend to Natsu, who shares similar feelings of societal alienation and eventually collaborates with her in her personal goals.

Aizawa’s girlfriend known for her views on procreation and challenging traditional ideas about motherhood.

Natsu’s editor, a career-focused woman who presents a contrasting perspective on the balance between professional ambitions and motherhood.