After the third world war, nations devastated by biological warfare no longer have the ability to protect the wastelands, so the defense of these territories is left to private military companies like Griffin & Kryuger, whose android soldiers or "tactical dolls" are tasked with fighting the rogue android army of Sangvis Ferri. Now M4A1, the indecisive but potentially capable leader of the elite "Anti-Rain" team must protect her comrades in a series of operations to try and regain the upper hand against Sangvis Ferri.

An OVA based on the work of Kawaguchi Kaiji consisting of nine independent stories, each animated by a different director. With Beatles music involved, somewhere. (Source: AniDB)

Recap of the first season of Hitori no Shita: The Outcast that aired a week prior to Japanese broadcast of the second season.

As an expression of gratitude for the heroes of both the ".hack//Sign" and the ".hack" game series, Helba has prepared a special event for all the characters to find the newly established "Twilight Hot Springs." The characters can get their well deserved rest and relaxation by having a soak in the wonderful hot springs, but there is only one problem—the hot springs are hidden and there have been mysterious player murders. With the only clue being the word “GIFT," the race has begun to find the culprit and the location of the hot springs. [Written by MAL Rewrite]