Yancha Gal no Anjou-san

Story:

Seto is an ordinary and boring schoolboy. But, for some reason, his classmate, the popular gyaru Anjo, just won't leave him alone! The serious Seto and the energetic Anjo contrast greatly, but Anjo doesn't seem to mind, as she has too much fun teasing him. Seto, on the other hand, has a hard time with her endless antics; he doesn't realize that his reaction is why Anjo enjoys spending time with him so much.But… How much of her flirting is just an act?