I Hate It, But You Make Me Twitch Down There

"Don't lick me there...!" "I told you not to be so rough!" Going to go crazy from the pressure felt for the first time as he gently and gradually loosens it up and slowly enters... I never thought that my first time would be with the person I hated the most in the world... I don't want to fall in love with you. Futaba, the only daughter of a tea shop owner, is set up for an arranged marriage match making with Mr. Kobayashi (a super wealthy man) by her parents in order to get out of financial difficulties. Futaba has a fear of men and has never been in a relationship before, but for the sake of the family business, she decides to go through with it. However, to her surprise, the blind date turns out to be with Taiga Kobayashi, her classmate from elementary school who caused her fear! When he hears that he's the reason she's afraid of men, he decides to help her get over this fear and take care of her as her husband...

(Source: MangaPlaza)