Moegi Sensation!

Overview

On their first day of high school, Kai and Miyuki decide to stick together. Or rather, after much crying and pleading, Kai agrees to stick to his shy and nervous cousin, Miyuki. Miyuki is afraid of people but also afraid of being alone. Kai, on the other hand, knows what he wants and doesn't fear standing out like a sore thumb for it. It's their first day of high school, and nothing goes as expected. Kai can't believe nobody else is wearing the school uniform, and Miyuki is surprised she can make a new friend: Moegi Koshino, the good-looking new idol of their year. On top of his handsomeness, Moegi is bright and friendly to everybody. But what is Moegi Koshino secretly hiding from his new friends? Is he really who he says he is?... (Source: Futekiya)

Source: AniList