Singer-songwriter imase releases a special collaboration music video for "Fiction," the ending theme for the summer 2026 TV anime Smoking Behind the Supermarket with You , on his official YouTube channel . Set to the song by imase, the video consists of numerous scenes depicting the progress of the frustrating yet subtle relationship between the protagonist Sasaki and Yamada/Tayama. imase "Fiction" × Smoking Behind the Supermarket with You Collaboration Music Video Smoking Behind the Supermarket with You Creditless Ending Video imase made his major debut from Universal Music's Virgin Music label in December 202. His previous anime theme song works include "Utopia" for SAND LAND (2023), "EGOIST" for TRILLION GAME (2025), "Mr. Moonlight" for HOTEL INHUMANS (2025), and "Aoba" for A NEW DAWN (2026). imase's 30th digital single, "Fiction," released on July 9. He has been on hiatus from musical activities since August 4, 2025, due to health issues. However, this song was produced prior to his hiatus. imase shared the following comment about the song on the anime's official website : I am very happy to be involved in a series that I have been reading for a long time.