After attending the funeral of her best friend Haruka (Anna Ishii), Saya (Serena Motola) is immersed in memories on the rooftop with Anna (Mayu Hotta) and Eri (Yumi Kawai). Four people who were always together. Haruka, who was good at making oden in a big pot, suddenly remembers that she cherished a large chair (La Chaise) that couldn't fit in a small room. What they did for her who wanted to go see the sea before she died ...

Natsuki (Serena Motola), who started working as an apprentice at a beauty salon, has been pursuing her dreams with her boyfriend, Sota (Kaito Yoshimura) since she was a student. One day, the store manager (Chisunaka) introduces a dandy actor (Satoshi Yamanaka) who gave me a fashionable chair (Y-chair) in the store. Around the age of wanting to grow taller in urban life, a dandy actor offers a detailed and attractive proposal for interior decoration.

Kana (Natsumi Ishibashi), who works at a factory in the town, is quiet at work, but originally has a bright personality. I had the chair (Louis Ghost) that I had wanted for a long time carried to my house and grinned while heading to the table alone. Suddenly, a strange elementary school student, Chie (Shiratori Tamaki), comes to ask me to lend a fashionable chair for a scavenger hunt. Kana reluctantly takes out her chair and walks around with her, and Kana notices a strange coincidence.