is a 2021 Japanese romantic drama film directed by Shuto Rin and starring Yamada Anna, Sakuma Ryuto and Imou Haruka. It is based on Wataya Risa's novel of the same title.
The film was produced by TV Man Union.
It was first released in theaters on 22 October 2021, being distributed by Showgate, and the DVD & Blu-ray were released on 13 April 2022, distributed by Amuse.
Ai is a third-year high school student who is very popular and diligent. She seems to have it all, but can't get the attention of Tatoe, a classmate she has had a crush on since her first year of high school due to his mysterious personality. One day, she happens to see Tatoe reading a letter and later finds out that another classmate, Miyuki, is the one who sent it, discovering that the two are in a secret relationship. Ai decides to become close to Miyuki while hiding her feelings for Tatoe.