Tomoya Mikami's life has changed. One day, his girlfriend Ayaka was hit and killed by a car on her way to meet Tomoya. He blamed himself for her death, and after the accident, he was never the same again. He began to be cold and ruthless towards Yue and other friends. In addition, every time Tomoya dates a new girl, he sees Ayaka's photo in his dream. He decided that he needed to find a way to bid farewell to his lost love once and for all, while managing several minor relationships.