Male. Orange hair with a yellow streak (the streak is dyed). Olive-colored eyes. Likes: Pancakes, cheesecake Dislikes: Carrots, Yui Sato A tsundere. He is so overly kind to people he meets for the first time that it can be overwhelming. However, he is blunt but caring toward those he is close to. He is quick-witted. Toya's partner.

Female. Has light ivory-toned hair and eyes, styled in pigtails. She has an appearance that is cute yet sometimes looks mature. Likes: Peach-shaped buns, sesame dumplings Dislikes: Vinegar dishes, Yui Sato She has a very gentle and timid personality. Contrary to her soft nature, she is surprisingly brave.

Female. Black and deep blue two-tone hair. Orange eyes. Likes: Rum raisin ice cream Dislikes: Tomatoes, Yui Sato She has a highly sociable and friendly personality with a wide social circle.

Female. Obsessed with boys. Pretty... plays with people's feelings. 18 years old. Dislikes: Women Likes: Men, Akito, Toya Plays the piano well (better than Toya). Just because she likes Toya doesn't mean she goes easy on him. She is participating in the piano competition.

Gender: Male Age: 53 Gray hair, gray eyes, gray eyebrows. Has many wrinkles. Children: Eldest son Natsuomi Aoyagi, second son Shuji Aoyagi, third son Toya Aoyagi. Toya's father and a world-renowned classical musician. An elite who started his professional career after graduating from a music university in Vienna; he is famous in Japan as a composer appearing on TV and active overseas as a pianist. He met his wife through music. Through his music education, the eldest son is already a professional musician, and the second son is attending a music school in New York. He led his third son, Toya, toward classical music as well, but his coercive teaching methods since childhood became the reason Toya quit classical music. However, he still forces him and resorts to violence against Toya if he doesn't bring home a first-place trophy from competitions.