Kuga Rin

She is in charge of monitoring the movements of the main character, who is sent to the school as a teacher, so that the Nishiki can keep track of his movements. She is ordinarily enrolled at the school as a student and blends in well with the students. She has an affable and friendly personality, and is a good communicator who can make friends with anyone. Although she is a woman, she is a trainer of females and is already an accomplished professional in her field. She falls in love with the main character's skills and volunteers to be his apprentice.