Kai Mayuzumi

Debut date: Jul 28, 2019 Graduation date: Jul 28, 2022 Fanbase name: ListeNerds Illustrator: Ichijiku (Twitter)

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Mayuzumi Kai is a male Japanese Virtual YouTuber and a member of Nijisanji.

An aloof and talented white-hat hacker who began livestreaming as part of an undercover investigation. He rarely goes outside and orders everything online.