Airi Senou
Newlyweds Nana and Shota move into an apartment. Two situations, different from the drama series, take place: "What if Shota attends the resident's meeting and not Nana?" and "What if exchange murder game doesn't begin?"
Kyoko (past days)
Boku es un estudiante de secundaria. Sucede que encuentra un diario de su compañera de clase Sakura Yamauchi que revela que ella está sufriendo de una enfermedad pancreática. Pasa tiempo con Sakura, pero ella muere. Doce años más tarde, debido a las palabras de Sakura, Boku ahora es un maestro de secundaria en la misma escuela donde se gradúo. Mientras habla con un estudiante, recuerda varios meses que paso con Sakura. Mientras tanto, Kyoko, que era amiga de Sakura, pronto se casará. Kyoko también recuerda los días que pasó con Boku y Sakura.
Rinko Mamiya
Senichi was born in 1964, when the entire nation was excited about the Tokyo Olympics. As an elementary student, Senichi won a footrace and got a taste of what winning felt like. Since then, Senichi takes part in various competitions including drawing and usually wins. He keeps struggling to win gold medals at competitions.
Tamako Matsuoka
A 3rd year transfer student from a Tokyo middle school, was emotionally hurt in the soft tennis club she belonged to at her previous school. Unaware of this, Tamako pesters Aki to teach her soft tennis. Together, they go about creating a court on the campus of a closed-down school.
