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Wiki information Sadogawa:
Mutsumi Kawahito, better known by his pen name Jun Sadogawa, was a Japanese manga author from Tone, Ibaraki, Japan. In 2000, he won an honorable mention in the 55th Weekly Shōnen Champion "Newcomer Award", sponsored by Akita Shoten, for his work Twin...
Masahiro Anbe is a Japanese manga author and illustrator best known for his work Squid Girl.He was formerly assistant/student of Jun Sadogawa.