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. The new relationship forces her to confront differences in values and lifestyles after the two move in together.

A senior and junior from university maintain a relationship as friends who also have sex, confiding in each other about various aspects of their lives. However, when something happens, one starts to develop romantic feelings.

Explores the definition of the relationship of friends with benefits and the concept of lovers.

One day, 26-year-old Toko Tanabe begins to be attracted to Satoshi Matsuyama, who is the same age as her. They have lively conversations over meals, he is kind, and they share the same hobbies and wavelengths. Soon, the two spend a night together.

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 in order to get rid of loneliness.