Hideki still doesn't know much about persocoms—the latest and greatest in humanoid computer technology—but he's trying his best to teach Chi, the seemingly broken persocom he found in the trash. As Hideki spends more time with Chi, and sees the different kinds of relationships humans have with persocoms, he begins to see that, when it comes to love, the line between man and machine is more blurred than he thought. Meanwhile, Chi's feelings for Hideki intensify, and she begins to unlock the secrets of her past—secrets that may be better left forgotten…

Chobits 20th Anniversary Edition, Volume 2, by CLAMP.