Jin Matsuoka

Jin Matsuoka (松岡 迅 Matsuoka Jin) is the school nurse of Bell Liberty and the mentor/former tutor of Kazuki Endō who are very close. It is revealed in later episodes that he attended Bell Liberty himself with Hiroya Yoshizumi (Jin's friend) to whom he was very close. He has a dark secret, and he will go to any means to fulfil his own agenda such as kidnapping Keita Itō, who contracted the same virus as Hiroya.