HATSUHARU

From Chibi Manga: Kurumi met her childhood friend Nagio again. He was a very good boy before, but now he has become a wicked cheerful boy....!?

From Sweet Melody Scans:Nayu and Oumi are childhood friends. Without realizing it, Nayu finds she has fallen for Oumi over the years. However, just as she comes to terms with her feelings, Oumi reveals himself to be in love with the pretty Tsuzuki-sa