A female college student who grew up in a wealthy family, and a younger half-sister who doesn't even know who she is. She is a young and mature mother-in-law. A variety of dazzling, sexy, and slightly sentimental stories set under the scorching midsummer sun, centered around a mysterious and strange man who enters their lives. A unique experience unfolds in a seaside town.
| Directing | Fumihiko Kato | Director |
| Writing | Tomomi Kimura | Screenplay |
| Editing | Yoshiyuki Okuhara | Editor |
| Camera | Kazumi Sugimoto | Director of Photography |
| Art | Katsumi Nakazawa | Art Direction |
| Directing | Katsuji Kanazawa | Assistant Director |
| Crew | Seiichi Takayanagi | Lighting Camera |
| Sound | Akira Maezawa | Music |
| Production | Isao Hayashi | Producer |
| Production | Kodai Yamada | Production Coordinator |
