Ei Takatori was a Japanese manga writer, novelist, and original creator born on January 17, 1952, in Sakai, Osaka Prefecture, Japan. He passed away on November 26, 2018.

Takatori is recognized as the original creator behind the St. Michael Academy anime, an original video animation (OAV) for which he holds the original creator credit. His involvement in related projects includes serving as the story writer for the St. Michaela Gakuen Hyōryūki manga and as the author of the original novel for the Sins of the Sisters OAV. Another related work, Lost Records of the St. Michael's Institute, lists him as the story creator for the novel.

His body of work primarily consists of original stories adapted into anime and manga during the late 1980s and 1990s, with his credits consistently tied to the St. Michael Academy franchise.