Designation given to the alter-ego combat partner of a Qwaser whose primary function is to provide soma. In the series, Sasha and Ekaterina each demonstrate that the relationship between a Qwaser and its Maria can vary on the spectrum of being purely professional to very personal. Maria is a reference to the Virgin Mary breastfeeding baby Jesus as Qwasers recharge their powers by drinking the Soma from their Maria. Ekaterina referred to her Maria, Hana, as a Mary Magdalene as a form of abuse in reference to the supposition that the Mary Magdalene in the Bible was a prostitute. She is the only Qwaser who has ever referred to a Maria that way and only during the chapter when she chose Hana as her Maria A.K.A. sucking on a womans nipple and drinking milk from it.