The goddess Kohime appeared before Haruto to save his sick older sister Haruko. However, she wasn’t able to save her since he did not have enough faith. He devoted his time to increasing his faith, but Haruko mistakenly thought that Kohime was taking his little brother from her. She responded by doting on him even more than usual. Meanwhile, Kohime was using her status to make him do all her work, while his childhood friend Riri was stalking him from afar as usual. Their fight over him intensifies day by day. What will become of Haruko’s destiny?