I Can't Escape the Obsessive Heir's Marriage Trap!

Story :  "Your heart and your body are mine."
Her rival, a handsome heir, is obsessed with and dotes on her!

"Would you like to go back to bed and see what I'm made of?"
One day, Chiharu, who works at an architectural design company, wakes up in a strange room. Feeling suspicious, she looks around and sees Hirose, an elite salesman from a rival company, sleeping naked next to her!
Chiharu can't remember if she spent the night with him, but Hirose looks at her with a gentle gaze and suddenly asks, "Will you go out with me?"
Chiharu, who has become timid about love due to past experiences, is surprised by Hirose's unexpected words and rejects him. But she's gradually drawn to Hirose's passionate, sweet, and all-encompassing love. In the end, she agrees to dating as a three-month-long trial, but...