Otona ni Naru Shiren

Hope starts working as a live-in housekeeper as a way of proving her worth to her successful family. Upon arriving at the mansion, she's surprised to meet Ralph Browne, the owner of the estate. He was the boy who tore her dress in the middle of the dance floor in high school! Now she has to live with him? And on top of that, he won't stop whispering sweet nothings in her ear! (Source: Renta!)