Hayou no Tsurugi  

Sword of Demon Destruction, 破妖の剣

The young demon hunter laethreel is tasked with rescuing princess gandia from the grasp of the evil noble demon aju. she's joined by grenki, a sword that can be unpredictable and bloodthirsty, and anshu, a sweet-talking demon who claims to be her ally. however, laethreel is not prepared for the challenges she will face on this mission, including conflicts with her own past.