Just as Taichi and Futuba decide to get more serious about their relationship, Mami begins giving Taichi extra attention. Taichi doesn't understand her motives and Futuba begins to question his relationship with Taichi.

Printed Manga-style; book opens from left to right. Pages are read from right to left. "First published in Japan in 2017 by Shueisha Inc., Tokyo"--Copyright page. "Parental advisory: Blue flag is rated T+ for older teen and is recommended for ages 16 and up for mature themes"--Copyright page.