Kei Kusunoki(楠 桂Kusunoki Kei, born March 24, 1966), real name Mayumi Ōhashi(大橋真弓Ōhashi Mayumi), is a Japanese manga artist best known for her horror and comedy manga series. She debuted in 1982 in Ribon Original with Nanika ga Kanojo Tōri Tsuita?. Her twin-sister Kaoru Ōhashi also works as a manga artist.