Keisuke's cousin Takuya loses three years' worth of memory due to an unexpected accident. Takuya wants to stay for a few days at Keisuke's house, where he used to visit, in search of a chance to regain his memory. Unfortunately, Keisuke was away on a business trip, but Keisuke's wife Miho, who knew Takuya well and was concerned about the aftereffects of the accident, gladly welcomed him in. As Takuya spends time with Miho, fragments of his memories come back to life. …and,