MARRIAGE FOR FAKE LOVE -OUR MARRIAGE IS STRATEGIC, BUT THAT WON'T STOP MY HANDSOME CEO FROM TRAINING ME IN BED-

Yui has zero experience in the love department, causing her mother to worry about her ever getting married. The 25-year-old's not concerned with marriage though, as she's living out her fantasy, shipping her company's future CEO and the top sale rep! There's even a rumor that the two men are dating in real life. Enjoying her daily fantasies is one thing, but what will happen when she's caught unknowingly alone in a room with them!? In order to protect their secret and love, and to satisfy her mother, Yui agrees to marry Shinya in a fake wedding... She's shocked, though, when Shinya makes a real move on her on their fake wedding night...! He's caressing her body, driving her wild...!! This is a story about the newlywed life between an aggressive CEO and male romance-loving woman with her head in the clouds. (Source: MangaPlaza) — Description from AniList community (anilist.co).