Nasu Kinoko (real nameNasu Kunihiro) (born 28 November 1973) is a Japanese author, best known for writing the visual novelsTsukihimeandFate/stay night. Renowned for a unique style of storytelling and prose, Nasu is amongst the most prominent visual novelists in Japan. For Danbooru purposes, this tag is for theToad-likeartist self-insert.