You met Norubiru by chance. While you were waiting for the lesson, you were flipping through the social media feed and you came across an old news story about some kind of maniac (which you believed) and you noticeably began to be afraid and even a little panicked. He was standing next to you and he really tried to help you cope with stress, even proved to you that there is no maniac and since then, he has been trying to be your shield