The Qwaser of Stigmata (Japanese: 聖痕のクェイサー, Hepburn: Seikon no Kueisā) is a manga and anime series authored by Hiroyuki Yoshino featuring art by Kenetsu Satō. The series is notable for its violence, fan service, and the use of special breast milk Soma as a central plot device. The manga series was published in Japan in the shōnen manga magazine Champion Red from 2006 to 2016, and the chapters collected into 24 tankōbon volumes. A 24-episode anime television series was produced with the same title as the manga series and broadcast in Japan on Biglobe in 2010. An OVA adaptation titled The Qwaser of Stigmata: Portrait of the Empress (聖痕のクェイサー: 女帝の肖像, Seikon no Kweisā: Jotei no Shōzō) was also produced and released on DVD with the manga series volume 10. A 12-episode second season was produced with the title The Qwaser of Stigmata II (聖痕のクェイサー II, Seikon no Kweisā Tsū) and was broadcast in Japan between April and June, 2011.