He started his activities on June 2, 2018 soon after Bitou Kaiji ceased activities. Since then, he has frequently collaborated with various VTuber groups and independents, including a brief period as a participant in the Nijisanji NetWORK program alongside Fairys. Though no longer officially affiliated with the company, he still participates in events such as Nijisanji Koushien.
His most defining features are his irises shaped like the design on the 1 Pin mahjong tile and his red hair, sunglasses, dice earrings, and track jacket emblazoned with the BANs logo. Like Bitou Kaiji, he also has a び (bi)-shaped scar on his cheek.
