While Yukari is alone at home, a visitor arrives. Yukari informs her that her parents are away, but the visitor seems to be at a loss... The kind Yukari gives the visitor to her home without any protection. At first, the visitor was supposed to have no guilt, but when he saw Yukari's well-developed, defenseless body in front of him, he turned into a demon... and their relationship continued for many years. I'm going.
