The Qwaser of Stigmata is an anime series adapted from the manga of the same name written by Hiroyuki Yoshino and illustrated by Kenetsu Satō.
The Qwaser of Stigmata hydroplanes across the common magical girl concept shown in series such as Sailor Moon and My-Hime while availing acts of sexual perversion and violence that includes torsos being forcibly torn asunder along with heavy use of fanservice that has led to the TV broadcast of the episodes having been censored earlier.
[1] All episodes except for the OVA are available online in North America from the Anime Network streaming site.
[2] This OVA episode was originally released in Japan on a DVD that was included with Volume 10 of the manga.
The action for this side story takes place around the time period of the middle of the first season.