Tetsuta Koshiba

Koshiba is the only original Grey that regularly attends school. Koshiba can afford his Grey status as he gets the nation039s highest scores on exams. He has a sunny and outgoing character and decides to help Hina reform the school as the Grey039s strategist. He claims his goal is to become a 039singing dancing doctor039. He stole Hina039s first kiss became her best friend and falls in love with her.He had purple hair at the start of the manga but later bleached them blond