Sayonara no Mukougawa

Kyouhei and Ayano were a happy couple and decided to get married. One month after their wedding Ayano died in a traffic accident. Two years have passed since. Kyouhei is taking care of Ayano's little sisters and keeps contact with her other relatives and friends. He tries to move on with his life at home and at work. However, he in unsure as to how his romantic life will progress. At the time of crucial decisions he suddenly seems a woman on the street who looks like Ayano...

[Edited from Mobygames]