There is a world where there is no end to those who seek spirits and those who hunt spirits. In this world, there was a baby who was abandoned by his real parents as a detester to black hair and black eyes. The name of this child is Wilm. Picked up by the spirits, he grew into a summoner who protects his beloved sisters and the beloved village.

"I won't tolerate the guy who dares to touch my family!"

The blunt and summoned beast sisters shake the world. An exhilarating summoning battle fantasy begins now!