The theme of the story is first love. The film depicts a variety of first loves, but the happily ever after begins to take an unsettling turn, and the first love takes a sudden turn in an unexpected direction. The film is a story in which 17 actors were initially chosen, and then cast in roles and written for each actor based on his or her individuality.

Director Yoshiyuki Kishi and screenwriter Takehito Minato—the team behind acclaimed boxing epic Wilderness—reunite to adapt Ryo Asai's prize-winning novel. A sensitive drama about the aberrant in a society without regard for diversity, the story unites characters trying to hide abnormalities: a prosecutor who is worried that his pubescent son is a shut-in, an introverted saleswoman with a peculiar habit, and a student tortured by feelings she can’t express. In a world fill with abnormalities, what if it’s actually normal to be abnormal?

Akemi Sasagawa is a single woman in her 50s who has worked as a milk delivery for over 30 years. Through the conversations with her younger colleagues, Akemi becomes deeply frustrated by the gender discrimination that she has endured, has remained intact over time. For herself and the future generation, Akemi attempts to challenge it on her own.