芳野 啓史

A man in his 30s with a worn-out appearance. He is a part-time cram school teacher and teaches mathematics. He has a tired, listless air about him and shows little emotion. However, he is rational and has a strong grasp of ethics and reason. He is just under 180cm tall. He is reasonably fit, but tends to neglect his health and has minimal body fat. After the collision with Kento, he takes care of Kento, who has no one to rely on, and suggests that they live together for a while, as Kento is still struggling daily after his release from the hospital.