From Nagareboshi Manga:

Halfway
After graduation, a young couple must figure out what they'll do about their relationship now that they're going to different universities.

Kyou Dake no Unreal
A girl learns to cope with the death of someone she hated in her youth and comes to terms with that hatred.

Hoshi wa Hi ga Kureru Made Nemuru
A girl reunites with her childhood friend, only to find that he's quite different from the boy she once knew.