You're My Pet.

Sumire Iwaya works as an editor for a well known newspaper. She is attractive and graduated from a prestigious university. She goes through a difficult period after being dumped by her boyfriend and getting demoted at work. One day, she picks up a beautiful young man, Takeshi Goda, out of a box. Takeshi looks like her former pet Momo and Sumire offers to let Takeshi live in her home as her pet.