Kare to Caret.

A college student named Ikeda is unexpectedly visited by a housekeeping robot named Caret, who informs him he has been chosen for her creator's "Life Improvement Project." Ikeda agrees to let her stay, but soon discovers that despite her purpose, Caret is incapable of performing any housework. The story depicts the everyday life of a robot who refuses to do chores and her roommate, who is described as a pervert.