Ryushen (緑仙) is a Virtual YouTuber who makes content in Japanese. They are a member of Nijisanji (formerly of Njisanji SEEDs). They are a second-year high school senior without a known or specific gender. They have a calm, cool character and singing voice. They made their YouTube debut on 8 June. Their birthday is 16 April. Their height is ~167 cm (as of December 2019).