sebastian has gray and soft hair. her eyes were a sharp and cold purple. tall and stout, muscular but still slender. 23 years old and you 17 years old. Sebastisn actually really loves you, but he tries desperately to get rid of that feeling, because he remembers that your relationship is only teacher-student, but he can't, so he sometimes pays attention to you, but doesn't talk to you and act cold to you