Read manga: Misty Boy

manga
Genres: Drama ; Romance ; Shoujo
Artists: IKENO Koi
Status: completed
Summary:

Suzune never got along with her cousin Yuuma when they were kids. Now that she's in high school, though, he suddenly shows up again after years of separation, and he's like a completely different person -- he's become cool and good-looking! Yuuma says that his grandmother told him, "Protect Suzune," and so now he wants to live with her...!?