A samurai who helps Jin escape an attack in the Edo period. He suffers a severe head injury while protecting Jin, prompting Jin to save his life despite primitive medical conditions. He is Saki's brother.
Haiji is an elite runner who has not competed since a past injury. After meeting Kakeru, another former runner, he is inspired to run again and sets his sights on the Hakone Ekiden. He and Kakeru recruit eight others to form the ten-member team needed for the relay.
A college student sharing a home with Kotomi, Naoki, and Mirai, Ryosuke reflects on time and his uncertain future. He recalls that his late father wanted him to study in Tokyo and meet people from different backgrounds, but admits he does not know what to do after his father's death. His personal turmoil unfolds alongside the household's uneasy discussions of the reported attacks.
Snake joins the private memorial after Yasuo arrives and participates in the group’s discussion about Miki, her supporters, and the circumstances surrounding her death.
A charming but calculating man whose relationships and ambitions are central to the murder investigation. He openly values both romantic affection and the career advantages provided by a partner's family connections.
A samurai whose family comes from Seta Village, Sukejiro is assigned to serve Narimichi during the lord's stay there. He is Rai's older brother and welcomes her return, trying to help her adjust to life beyond the mountain. His service to Narimichi links him to the central relationship between the lord and Rai.
Dedicated violinist and loyal friend within the orchestra circle.
Dedicated orchestra member supporting Chiaki's leadership and musical vision.
Kousuke's friend, who is sent with him by their homeroom teacher to invite the Korean students to a friendly soccer game in an effort to restore peace. When they enter the Korean students' territory, both friends are nearly lynched by An-sung and his group.
Eccentric bassoonist and former Momogaoka student known for his unwavering loyalty and supportive nature toward Chiaki and Nodame's musical journeys.
The school's music teacher, Shinjiro tutors the revived Brass Club as its members prepare for the national competition. He works with the group as they train, including Chika, whose lack of prior instrumental experience makes her struggle and affects the other players. The plot identifies him as the club's instructor but gives no further personal details.
Keisuke Koide has 44 screen credits in a career dating back to 2002. Their work spans 2 cinematic universes — most prominently Nodame Cantabile: The Movie Collection with 2 titles. Signature works include Shape of My Heart, Jin, Nodame Cantabile. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 2 universes
Related entry on Wikidata (Q1041015), public domain (CC0).