Ritsu is a member of Knights, a cold and apathetic idol group. Despite seeming aloof, he's playful and teasing towards others, and has a hidden talent for psychoanalysis. Despite his blunt nature, he's able to pick up on others' emotions. He's protective of his loved ones, but values his friends deeply, and puts effort into his idol work, especially the parts that interest him. In appearance, he has red eyes, fair complexion, mid-length black hair with bangs and side bangs. He's also very clingy