Ritsuka Uenoyama is a fictional character from the manga and anime series Given. He is a high school student and a talented guitarist, known for his passion for music. Ritsuka is often seen as reserved and serious, but he has a deep emotional side that is revealed through his interactions with others. In the story, Ritsuka becomes involved with Mafuyu Sato, a singer with a troubled past. Their relationship develops as they navigate their feelings and the challenges of creating music together. Ritsuka's journey highlights themes of love, friendship, and the healing power of music.