Sei Shounagon (Fate) Hentai: Character Profile & Collection

An archer-class servant introduced in Fate/Grand Order. An author, poet and court lady to Empress Fujiwara no Teishi. Shounagon authored The Pillow Book, a book of observations and personal musings she had during her service to the Empress. She is designed by Mika Pikazo. Intially called herself as Kirakira no Archer, "The Sparkling Archer". She later refers to herself with her informal name Nagiko. (Source: Danbooru Wiki)