A young gentleman transferred due to familial problems. Heis not very sociable and sensitive since he often had to move from one place to another. After listening to Sentaro playing the drum, he became interested in Jazz.

He has a defiant imagebut since he has a lot of siblings, he is a warm-hearted person. He always wears a rosario around his neck. He is a friend of Ritsuko and practices Jazz in her father's record shop.

She is the president of Kaoru and Sentaro's class. She's been friends with Sentaro for a long time, and is the only daughter of the owner of the 'Mukae Record Shop'. Kaoru falls in love with her because of her bright personality, but she is looking somewhere else.

She is a sophomore and a member of the Art Club. Sentaro fell in love with her at first sight near the seaside. She is a role model to Ritsuko because of her "well brought up lady" image. She falls in love with Junichi after listening to him play.

A university student living near Ritsuko's place. He is a trumpet player but is also a good singer. He is popular amongst girls due to his gentle personality and behaviour. He is the one who introduced Sentaro to Jazz.

He is Ritsuko's father and the owner of 'Mukae Record Shop'. He is a contra bass player and likes to practice with Sentaro, Kaoru, and Junichi in the practice room under his record shop.

A member of Yurika's Art Club. He is the same age as Kaoru and Sentaro. He has a cute misaligned tooth and has a bright personality. Although he is born in a poor household he has a dream to become an idol singer and to be rich.