Origin
Creation
Kei Nekomiya (?? ?, Nekomiya Kei) is the protagonist of the ero-manga series Sperm-star that was created by Drill Jill. It originally began publication by Fujimi Comics’ Comic Penguin Club in 2010.
Her first appearance was in Sperm-star! Volume 1 CH. 0 “She’s a Violent Harone“.