Sonna, 14-sai.そんな、14歳。; That's What It's Like Being Fourteen; Such Is Being 14.; Such Is Being Fourteen.; Just Like That, 14 Years Old.

Takahashi and Shioya are second-year middle school students who sit next to each other. A story of innocent 14-year-olds whose hearts are shaken by every word and expression. (Source: Manga Mee, translated)