.hack Specials Episode 7 Unison ( Air Date 2003-10-24 ) Genre Action & Adventure, Animation, Mystery category. Overview "Tsukasa makes her first return to The World for a festive party hosted by Helba. Later, Subaru dances the night away, and Aura looks down from above. DVD episode, forming an epilogue to .hack//SIGN, released as part of the .hack//Integration box.".