We Were There" follows the 10 year romance between Motoharu Yano (Toma Ikuta) & Nanami Takahashi (Yuriko Yoshitaka). During their high school days, Motoharu Yano was the most popular boy in school, but can't get over the death of his girlfriend from a car crash. Nanami Takahashi falls in love with Motoharu Yano and must deals with his inability to let go of the past.

Overview from themoviedb.org