Keisuke's cousin, Takuya, lost three years of memories in an unfortunate accident. Takuya, seeking a trigger to regain his memories, wants to stay at Keisuke's house for a few days, where he often used to visit. 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, welcomed him warmly. As Takuya spends time with Miho, fragments of his memories come back to him... and then he remembers that he once proposed to Miho.
