Kaichou-sama no Oose no Mama ni
Also known as: At the Class President's Beck and Call · At the Command of the Student Council President · Now Then, Sir, Here's Your Aphrodisiac · The Secretary and His Pet (OTOMI Chisa) · 会長サマの仰せのままに
Synopsis
Ichika Okuzaki joins the student council to get closer to the flawless and pretty president Mahiro Sasamori. Except, the student council president is actually a hardcore masochistic pervert!! One day, Ichika finds Mahiro tying himself up and masturbating, but for some reason, Ichika gets threatened and forced to help with the bondage...! Ichika gets sick of Mahiro ignoring his feelings and only wanting Ichika to tie him up, so he decides to act for himself... This manga also contains a spin-off of the student council story, "Mr. Secretary and His Pet -A Poisonous Summer-" and "Here, Mr. Kojo, an Aphrodisiac."