Two schoolgirls volunteer at a local radio station that is a glue for the community. Ryuji and Natsuo have arrived in town to manage the station. They are looking for local stories, content and programming when they hear that a festival called Yamaage has encountered problems. They and the two schoolgirls are involved in helping the situation.
Unfortunately the movie Youtachi Happy Eigaban Himawari is not yet available on HBO Max.
| Directing | Toru Sugimoto | Director |
| Writing | Tatsuya Kanazawa | Screenplay |
| Production | Shinya Furugori | Producer |
