#4 Isn't Just for Show!

Hackadoll the Animation · Episode 5 · “#4 Isn't Just for Show!”

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)