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Born in Myoko City, Niigata Prefecture. He is also a childhood friend with YouTuber's Hikakin, and has frequently appeared on Hikakintv before his activities, and then made his debut under requests such as viewers and Hikakin.
He operates two YouTube channels, "MasuotV" and "Masuogames", and posts videos such as product reviews, cooking, massage, everyday, and game commentary. As of February 2022, registrants were 1.8 million, and the total number of views was over 1 billion.
He is an acupuncture and moxibustion massager with three national qualifications: Anma Massage Shiatsu, Harrier, and Kyu, and has worked in a clinic. Taking advantage of that experience, he posts videos that regularly invite YouTuber and entertainers as guests and chat while massaging.