Gunbured x Sisters - Vol. 1

In a decaying gothic city, warrior nun Dorothy is tasked with hunting and slaughtering supernatural creatures. A member of the elite Crimson Sisters, she seeks to eradicate all vampires. But one fateful night, she encounters the fanged and beautiful Maria, wounded and desperate for care. Dorothy offers the half-vampire one chance at survival: become my pet.

(Source: Seven Seas Entertainment)