A.I. Love You volume 4 is the fourth of eight manga volumes that make up the A.I. Love You manga series. Containing seven chapters, this volume introduces Forty Namba.
Originally serialized in Weekly Shōnen Magazine (#18 - #25), these chapters were collected and published in 8 tankōbon volumes by Tong U Comics. An English translation of the series was published by Tokyopop five years later, beginning in February, 2004, with Ken Akamatsu creating new cover art and illustrations for the books. A French translation was also created by Pika Editions.