A woman, after a chance encounter, spends a night with a man but finds herself stuck in an undefined relationship; as she attempts to break free from the friends with benefits label, an unexpected ending awaits.

A magazine editor in a casual relationship finds her life changed after starting to date a classmate she reconnects with at a wedding.

A senior and junior friends from university also have sex and confide in each other about various aspects of their lives; one of them starts to develop romantic feelings.

Through three short films, the hosts discuss what defines and differentiates friends with benefits from lovers, and where they would draw the line.

Toko Tanabe begins to be attracted to Satoshi Matsuyama; on a date, Toko drinks until the last train; Matsuyama ends up staying at her house, where she spends the night with him.

Sana Ikegami, who works as the editor-in-chief of a popular magazine, prioritises her work and her own time over romance; she leads a fulfilling life, where she frequently engages in sexual intercourse with a friend to stave off loneliness.