Ritsuka Uenoyama is one of the main characters in the anime and manga series 'Given.' He is a high school student and a talented guitarist who initially lost his passion for music. Ritsuka's life takes a turn when he meets Mafuyu Sato, a quiet and enigmatic classmate with a unique singing voice. Drawn to Mafuyu's musical potential, Ritsuka helps him join his band, leading to a journey of emotional growth and self-discovery. Throughout the series, Ritsuka navigates complex feelings towards Mafuyu, balancing friendship, love, and his renewed passion for music.