Her sister, Mizuki, is now very important to her sister Nana. He had a boyfriend who was on the assumption of marriage. One day, a man called north comes to see me. The north is a fashion health manager who has once been working for Mizuki for a month and has been trying to keep her heart. The North has no malice, and it is not only to come close to the spot, but also extend the poison Fang. After that, he built his sister in front of his fiance.