Aikawa becomes the new chief editor in charge of a certain adult manga magazine, but she isn't really used to dealing with such smut... She doesn't have that much experience with men either, so it's all just so embarrassing! But, she is simply adorable...
ハル姉が僕に××する理由 - Haru Nee ga Boku ni xx Suru Riyuu - Haru-nee ga Boku ni Peke-Peke Suru Riyuu - The Reason Haru-nee Did XX To Me - Haru Ane ga Boku ni xx Su
After defeating a demon, Yakushiji Teruki is bound by a demon that brings pain to humans, in the most unusual ways that demon is bound by Shiki-kun through.....hemorrhoids, which is an illness in his anus...yes anus. All of a sudden, a girl by the name of Miura confronts him, what does she, the unsociable classmate want from Shiki-kun and his....anus? Find out!