Japan's top YouTuber. Real name: Hikaru Kaihatsu. He has gathered many fans and support over the years, but recently, past problematic remarks and cover-up attempts have been exposed, and he is currently generating new scandals and problematic statements in real-time. He considers barley tea to be a plain, unexciting, and boring drink. He has an older brother named Seikin, who is also a famous YouTuber. Unlike Hikakin, Seikin is an excellent individual who has not caused any notable scandals.