ADN-370 Michiru Kujo awakens with the memories that come back to her

Keisuke's cousin Takuya loses three years' worth of memory due to an unexpected accident. - In search of an opportunity to regain his memories, Takuya also wants to stay for a few days at Keisuke's house, where he used to visit often. - 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 him. - ...And then he remembered that he had once proposed marriage to Miho.