[Manga] Smargs Don’t Sing (魔物は歌わない)

smargs don't sing
From MU
Three years prior to the beginning of the story, a village was destroyed by an evil Smarg (magical creature). The sole survivors of the massacre, the sisters Chloe and Iria, fled to a nearby village. The younger sister, Chloe, is mute. However, she is a friendly and diligent worker who is loved by all. The older sister, Iria, is disruptive, rude, and cruel, especially towards her unfailingly loyal sister. But, how did two young girls manage to escape such a powerful creature in the first place?