Momojiro and Jonathan go to Kochi on a ferry. On the ferry a singer called Yuka dropped her sheet music into the ocean. Momojiro helps her by diving in to collect the sheets for her and ends up falling in love.

Hirayama is content with his life as a toilet cleaner in Tokyo. Outside of his structured routine, he cherishes music on cassette tapes, books, and taking photos of trees. Through unexpected encounters, he reflects on finding beauty in the world.