海の底からモナムール (2017)

Original title: Umi no soko kara monamûru

Ten years ago, on an island located near Hiroshima, a seventeen-year-old student named Miyuki committed suicide by jumping from a cliff near where she lived. Bullied everyday at school, she was in love with a fellow student named Takuma. Ten years later, Takuma returns to the island where he was born and where Miyuki died. Although ten years have flown by and Miyuki died long ago, she still loves Takuma.