Sweet Seduction: Under The Same Roof With The Guy I Hate summary:

It is supposed to be the peak of Urara Namita's life. But she is losing her house, savings, and boyfriend instead! In such despair situation, her rival in the workplace, Musashi Fudou suddenly came to her with the most unexpected proposal — “Why don't you live here with me for a while...?”Well, he does look like a bully sometimes, although he is also very kind to her. “I supposed to hate him, but seeing his weak face makes me feel something different...”