This story takes place in a "Parallel World." Hideki Motosuwa is young and poor. He's already flunked his college entrance exam once - but has decided to try again. One day, he finds a cute computer-girl in the garbage disposal near his house. He calls her Chi. Chi doesn't have any operating system, so he asks his friend, Shinbo to help him out. Shinbo's laptop, "Sumomo," crashes when Chi is connected. Hideki tries Minoru Kokubunji next. Minoru is a computer expert. Hideki learns that Chi might be "Chobits," a legendary computer. Sexy ladies - Ms. Hibiya, the superintendent of Hideki's apartment building, Yumi, a co-worker, Ms. Shimizu, a cram-school make teacher - excite Hideki.
Is Chi really "Chobits"? What is hidden in her past? This is a cute fantasy love comedy from CLAMP!!