After his classmate and crush is diagnosed with a pancreatic disease, an average high schooler sets out to make the most of her final days.

The story centers on the daily life of college dorm roommates Yumi Irisu and Ruka Kujirai. Ruka, the older of the two, is constantly penniless despite her being active in a band. Irisu works part-time at a second-hand bookstore.

A theatrical edit of episodes of 3 to 6 of TV Anime Summer Pockets, following Kamome Kushima's storyline from the anime series. Kamome, who once visited Torishiro Island as a child, reveals that her purpose in coming to the island is to "search for treasure" and thus sets off on an adventure with Hairi. What is the treasure hidden on the island? And what is the past that connects the two of them?

A theatrical edit of episodes 7-10 of the TV Anime Summer Pockets