Kei Sanbe (三部敬 Sanbe Kei) is a Japanese manga author.
- Testarotho (2001–02)
- Kamiyadori (2004–06)
- Kamiyadori no Nagi (2008–present)
- Hohzuki Island (2008–09): A thriller manga about children who had no relatives left and their parents abandoned are being kept in a school in a mysterious island.
- Mōryō no Yurikago (2010–12)
- Black Road
- Nanako-san Teki na Nichijō
- Nanako-san Teki na Nichijō Re
- Nanako-san Teki na Nichijō Dash!!
- Boku Dake ga Inai Machi (2012–2016): A mystery manga pertaining to a Mangaka who is struggling in his career and suddenly remembers the tragedy he was involved when he was still in middle school. He has the mysterious ability called "Revival/Rerun" that can make him go back in time for a few minutes before something an accident or an event that can trigger something.
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