.hack//Quantum: Kantamu Eizou Tokuten Sore Ike! Bokura no Chim Chim-chan!!

Chibi comedy released as a DVD extra.

A special episode included in BD/DVD sets. In this episode they are represented as cat girls unlike the TV series.

Special episode of Kochira Katsushikaku Kameari Kouenmae Hashutsujo broadcast after the TV series.

A special included in the DVD of Shin Koihime†Musou OVA and the BD-BOX of Shin Koihime†Musou.