This Superstud Loves Me Too Much!: My Fated Partner's Aggressive Love Spoils Me Rotten

Narumi Kiriyama: your average office worker, getting on in her mid-20's and falling into the rush of people around her getting married and doing life, and finding herself at a matchmaking party. She's spent a long time not really being able to find the right guy, and catches herself with thoughts like, "If only I could experience more romance..." However, because of that jerk from high school, Narumi's never been able to get over her frustration and grievances with the idea of romance. Right as she's thinking that the matchmaking parting isn't going to go anywhere, a superstud by the name of Wataoka reaches out to her. One thing leads to the next and after some quality time together she realizes that she wants to get to know him better! However, just as things seem to be settling into place, it turns out that Wataoka has something of a secret he's been hiding...!

(Source: MangaPlaza)