The story follows Etsuko, a neglected wife from the wealthy Okazaki conglomerate, who travels to the resort town of Karuizawa to escape the summer heat. Disconnected from her husband, she unexpectedly reunites with her childhood friend, Yuji. This reconnection reawakens deep, suppressed desires, leading her on a passionate journey of self-discovery in an abandoned memory-filled mansion.
| Actor | Role |
|---|---|
 Kei MarimuraNot listed | Not listed |
 Shingo TsurumiNot listed | Not listed |
 Natsuko AkiyamaNot listed | Not listed |
| MMisa JonoNot listed | Not listed |
 Masakazu ItouNot listed | Not listed |
| MMiho TamuraNot listed | Not listed |
 Toshiyuki KitamiNot listed | Not listed |
 Taketoshi NaitōNot listed | Not listed |