冷泉院　雅也

He doesn't usually show his emotions.

He has a good reputation online, graduated from a prestigious university, worked in several different jobs, and then made a legendary name for himself as a private tutor.

His tuition fees are so high that they are unaffordable, but this is not stated on his website.

Masaya decides whether or not to accept a tutoring job after meeting with the prospective student.

The rule is that students who cannot afford to pay the fees must pay with their bodies.