A Thing of the Past
A serious bug shows up in the cyberworld, and the HACKADOLLs were tossed into confusion. Wounds were engraved on to their hands and feet, and even a valuable you-know-what has been lost. Amongst all that, a summoning call rings, and No. 3, who looks relatively decent, has to go improve efficiency all alone…
Aired 06/11/2015EP 6 - A Thing of the Past

2015
Hackadoll the Animation
The anime personifies the Hacka Doll app's customization engine as three "Hacka Dolls" — the personal entertainment AI and main navigator Hacka Doll #1, the anime expert Hacka Doll #2, and the knowledgeable otaku Hacka Doll #3.
(Source: Anime News Network)