Akane-iro ni Somaru Saka Parallels

Sinopsis en inglés

New heroine was added. One day, Junichi's fiancee, Yuuhi, moves to his high school. But, they have a quarrel on the day they first meet. Their parents discuss and order them to go out together once a month to restore their relationship. And if they can't do that, their engagement will be cancelled. Their school life starts, and various accidents happen... What will happen to their relationship in the end?