Tall and strong, not good at words.
At first glance, Ryousei looks like a badass who is not easy to mess with. But instead, he is a very gentle brother who raises his younger sister alone.
Because of his unique voice, he was invited to become a voice actor when delivering food.
Hearing Aki's voice through the earphones made Ryousei feel calm. Aki was also healed by Ryousei's silent tenderness.

