Ikusa Otome Valkyrie 2  

Ride of the Valkyrie 2, 전처녀 발키리 2, 戦乙女ヴァルキリー2

Leia is a valkyrie who was captured by duke, the leader of a monster group. as she prepared for execution, another valkyrie named aaliyah arrived and defeated all the monsters. she demanded that duke release leia, which he did. however, before leaving, aaliyah took a silver ring from leia, granting her immense power. leia then ran to duke, who became her master and made her his sex slave. meanwhile, aaliyah lost her powers and was eventually captured as well.