One year after the events of the first volume, Kuuya Hiiragi finally finished his training at some distant relative's house, the Inugami family. After so much time, he is finally allowed to go back to the Hiiragi house and live together with his six older adopted sisters who love and dote him. But little he knew, his two adopted sisters at the Inugami house where he was training himself also loved him, and came after him. Now Kuuya has eight adopted sisters fighting for him. (Source: Getchu)