At a laundromat one winter night, novelist Ayana meets a man who initiates a friendly conversation after hearing the music coming from her earphones.

Ayana and her boyfriend Yukio enjoy Christmas Eve together. But later, when he asks her to consider living together, she is unable to give an answer.

Ayana returns to her hometown for the end of the year and attends a mini-gathering with old friends, which ends up including her ex-boyfriend.

A popular novelist who Ayana once dated and who inspired her to start writing comes to an event for her novel seven years after they last met.

In her third year of university, a pure-hearted Ayana tells her friend to leave a toxic relationship. Ayana's classmate tells her that he likes her.