プリズマ☆イリヤのエロ同人誌：色気のない女子の分際で大人を誘惑する幼悪魔《プリズマ☆イリヤ》イリヤ、士郎が見ているとは知らずに両手を駆使しての全力オナニー！【エロ漫画】
Prisma Illya erotic doujinshi: A young demon named Prisma Illya who seduces adults despite being a girl with no sex appeal, masturbates with all her might using both hands, unaware that Shirou is watching! [Erotic manga]