Blue Box (Japanese: アオのハコ, Hepburn: Ao no Hako) is a standout Sports Romance manga written and illustrated by Kouji Miura. Serialized in Weekly Shōnen Jump since 2021, it has been praised for breaking the traditional "shōnen" mold by focusing on a grounded, sincere portrayal of high school love alongside the grit of competitive athletics.

The story follows Taiki Inomata, a dedicated member of the boys' badminton team at Eimei Junior and Senior High. Every morning, he arrives early at the gym only to find his crush, Chinatsu Kano, already practicing. Chinatsu is a rising star on the girls' basketball team and is a grade above him. Due to an unexpected turn of events—their parents being old friends—Chinatsu's family moves abroad, and she ends up living at Taiki's house. Now living under the same roof, Taiki vows to improve his badminton skills to be "worthy" of standing by her side.

Alternative Names by Language

アオのハコ / Blue Box / La Caja Azul / Голубая шкатулка / الصندوق الأزرق / กล่องรักวัยใส / 青春之箱 / 青春之箱 / 푸른 상자