Kei Kusunoki (? ?, Kusunoki Kei, born March 24, 1966), real name Mayumi ?hashi (????, ?hashi 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 T?ri Tsuita?. Her twin-sister Kaoru ?hashi also works as a manga artist.