COCOA!

Cocoa! summary:

[Summary By: Love_Blossom] Star's Hill Academy consists of two sections: the school for regular people, and a school for celebrities. Tsubame has been eyeing the celebrity, Chio, for quite some time. One day while she's walking, Chio goes up to her, grabs her and says to his fans, "sorry this is my girlfriend." Confused, Tsubame gets dragged by Chio to go on a "date" From Nagareboshi Manga: Tsubame's school has two sections: the school for regular students, and a school for "celebrities" (known as the fine arts course, or the "celeb course"). Tsubame's stuck in the normal school, and has no interest in the upper class life. Then she meets Chio, a male model taking the celeb course. Her life will never be the same again.