Kanata (NOGISHI Konoha) and her younger sister Sumire (IKEDA Nonoka) have been living apart since their parents' divorce. Kanata is having trouble adjusting to her new school and is spending her summer holiday helping her mother run her snack bar. When Kanata's mother suggests that she go to her grandmother's house for a final summer holiday memory, Kanata heads into the countryside. Once there, Kanata can't hide her annoyance at the innocent Sumire who bubbles with enthusiasm for the time they will spend together but a trip with Sumire in search of fireflies, which are not supposed to appear during the summer, forces the lonely teen out of her shell.

The Wonder Of A Summer Day

A middle-schooler, Kiho lives alone after her father committed suicide and her mother who has been absorbed in a cult religion disappeared. One day, when Kiho goes to school and sees a sign “School is closed” she decides to find an eternal rest. However, when she goes up to the roof and runs into a strange woman who calls herself as “angel”. The day they spend together might be her last day, but it could be a new door that leads to another day. It makes us pay more attention to how delicate and precious our daily lives are, and discover the true meaning of life.