Noko (Vo/Gt) and mono (Key) were classmates in kindergarten. Misako (Dr.) joins the group through online member recruitment. He gained attention for his live streaming of home talks, street guerilla live performances, and self-produced video distribution on the Internet, and in 2010, he signed with Warner Music Japan/unBORDE and made his major debut. In February 2021, the opening theme song "My War(Boku no Sensou)" for the TV anime "Attack on Titan" The Final Season will be released. “My War(Boku no Sensou)” was selected as the Best Opening Sequence at the “Crunchyroll Anime Awards 2022”. In 2023, he will release his second best album “Sacred Intersection” on the occasion of their 15th anniversary.