Ep 12. All Blues

Kaoru and Sentaro's friendship is tested as they prepare for their performance at the school festival. Sentaro's family situation causes him to reconsider his dreams of becoming a professional drummer. Meanwhile, Kaoru struggles with his own feelings for Ritsuko and is forced to confront them when he sees her with another guy. As the three of them navigate their personal struggles, they come together to perform a powerful jazz piece that captures the attention of the entire school. All Blues is a bittersweet and emotional episode that showcases the growth of the main characters and their love for music.