Oshi to no Yuri wa Arienai!

Oshi to no Yuri wa Arienai! summary: The perfectionist class president, Tsukamoto Anne, has one small problem: a gyaru in her class, Kenzaki Kaoru, is so exceptionally dumb that she’s in danger of repeating the year! However, Kenzaki Kaoru has one small problem of her own: the class president, Tsukamoto Anne, is exacly the kind of person she worships as a god-like fave! The serious class president wants her reign to be perfect, while the creepy otaku gyaru wants to hide her true nature—and so, a battle between the two begins!