Welcome Back, Aureole (manga)

Bright and sociable Kazu and the sober and serious Moto have been best friends since childhood. Even if they drifted apart in junior high, they still understood one another better than anyone else. But in their second year, Kazu began to think of Moto as more than just a friend.

And as much as he wanted to think it was just a misunderstanding, it became clear to him that his feelings were all too real...