Yoshihiro Matumoto
Yoshihiro Matumoto (born 3 May 1992) is a Japanese mahjong player and YouTuber. He studied at Aoyama Gakuin University and has been a member of Nihon Professional Mahjong since 2013. His YouTube channel, under the handle matsumotogumi, had about 74,100 subscribers in November 2025, and his X account had about 88,400 followers in February 2023.
Yoshihiro Matumoto’s social media accounts
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