Chigusa Kyouichirou

"If you say you will protect me, I will protect you. It's a promise. Trust me."

A drummer who started playing music after being invited by his childhood friend Kanade. His first priority is to protect the people and things he cares about, and he is very dependable in times of need.

At Bushida Ophthalmology, which he inherited from his teacher, he has the reputation of being the most popular with grandparents during the day and the most popular man to be hugged at night. When Eisuke gets involved with him, he sometimes speaks in Hakata dialect.