僕が濡らしてあげるから ～年下男との淫らな協定～

"You sure are pretty, Ms. Kikuchi. But I can't tell you how I feel because you're in love with another man. So instead, I'll do everything I can to help you make him your own... I will help you until you get your man, on the condition you do everything I say..." He loves her, but he can't tell her. Where will this bittersweet relationship go? (Source: MangaPlaza)