Houkago no Taiiku Souko Nuresuke Rikujoubu Hen Zoku

This manga hentai is about a girl who has a serious crush on her classmate. Azusa has been by her clubmate Kanade. Using an aphrodisiac, Kanade Azusa and made her cum many times. She then put her on a strange device made of strings and left her there until the next morning…