In So Deep, It's Love Already, Volume 1

This unconventional teen romantic comedy manga features a heartbroken fangirl main lead and a shy easily embarrassed love interest. Because of a heartbreak in her past, high schooler Kirino decided to live more for her idol than for actual boys, but one day a transfer student named Kametani shows up, and he has a somewhat similar vibe to her favorite idol! When Kametani glares at the girls saying, “Don’t even think about talking to me!” on the very first day of transferring to the school, Kirino gets intrigued by him and learns his secret and…?!