仙石 忍

An idol who works hard to show off the beauty of ninjas. He may look childlike, but he actually watches over the people around him very well. While he may be shy at first, he has a bright personality, and easily grows attached to people he becomes acquainted with. His singing voice is innocent and energetic, and while he may be small, his performances include a variety of acrobatic feats.

He is RYUSEI Yellow in Starmaker Production's RYUSEITAI.