Blue Box

is a Japanese romantic comedy and sports manga series written and illustrated by Kouji Miura. It has been serialized in Shueisha's Weekly Shōnen Jump since April 2021, with its chapters collected into twelve tankōbon volumes as of October 2023. Synopsis The series focuses on Taiki Inomata, a student at Eimei Junior and Senior High who is a member of the boys' badminton team. Every morning, he trains alongside his upperclasswoman and fellow crush Chinatsu Kano, who is on the girls' basketball team. However, Chinatsu moves in with Taiki's family when her parents leave Japan to work abroad. With Chinatsu now living with him, Taiki aims to slowly develop his relationship with her as they both strive to make it to the national championship with their respective teams. Publication Written and illustrated by Kouji Miura, Blue Box began its serialization in Shueisha's shōnen manga magazine Weekly Shōnen Jump on April 12, 2021. Shueisha has collected its chapters into individual tankōbon volumes. The first volume was released on August 4, 2021. As of October 4, 2023, twelve volumes have been released. On August 3, 2020, the one-shot version of Blue Box had been published on Weekly Shōnen Jump.