Kogorou Hashiratani

As Ryouta's brilliant uncle and a former university physician, this genius researcher prefers the safety of his campus, famously refusing to travel via any form of transportation. His isolated lifestyle changes after witnessing a magician's incredible feat, prompting him to accept Ryouta's plea to analyze magical compounds and develop essential medicines. Interestingly, his academic past reveals he was actually a university classmate of Chisato.