Summer Pockets: Dawn Memories

Overview

Theatrical edited version of Summer Pockets following Ao Sorakado's storyline from the anime series. While Hairi becomes close to Ao, a girl from the island who always seems sleepy for some reason, he witnesses Ao carrying out a "duty" that has been passed down through the generations of the Sorakado family. While helping with this "duty", Hairi learns the secret of the "butterfly" and Ao's true purpose. (Source: TOHO Cinemas, translated)

Source: AniList