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.
Web magazine editor Mochizuki Nasa meets Yanase Sota who claims to be endowed with a "non-sexual relationship switch". Working as a "rent-a-friend", Sota is hired by Nasa who wants to test out a theory.
Uta, who has become accustomed to the death of others as a nurse, returns to his hometown after hearing the news of his estranged mother's death. Meanwhile, a man and a woman who met at an art museum drive into Provence under the moonlit night. And as one girl plays unknown music, another girl watches her performance with fascination...
