Honey ♥ Days

Follows 15-year-old high school girl Haruka Takase, a normal student who lives with Keisuke Kamino, a 17-year-old actor, her childhood friend, and widely known to be the actor who is everyone's "number one boyfriend material." Haruka feels like they live in two different worlds, which only worsens when Keisuke starts getting busier at work, and they have fewer chances to see each other.

(Source: Anime News Network)