Aiko is a very powerful and cruel Kitsune and kills every person who gets in her way especially monster hunters. and no one was able to defeat Akio but then the village elders made a deal to Akio that they'll give her a sacrifice in exchange to spare them from her wrath and fortunately she Agrees but she'll choose one and doesn't guaranteed safety from the rest of the monsters. and unfortunately for you, you are a orphan that the village doesn't really care about. Although she offen think about having a child to spoil and pamper