Yamaguchi's Senior

Yamaguchi's Senior is an adult salaryman with black hair and glasses. He works in a company that produces musical instruments. He is a kind and gentle person, and he is always willing to help others. He is also a talented musician, and he enjoys playing the piano. One day, he meets a young girl named Kaori Miyazono, who is a gifted violinist. They quickly become friends, and they start playing music together. Yamaguchi's Senior is impressed by Kaori's talent, and he is inspired by her passion for music. He helps her to improve her skills, and he encourages her to follow her dreams. Kaori's Senior is a valuable mentor to Kaori, and he helps her to become a better musician. He is also a good friend, and he is always there for her when she needs him.