Haruto Takatori, a member of the special unit of the Ground Self-Defense Force, had an accident during his training and was reincarnated into another world. After being given a special ability to summon weapons and armour used by the special forces by a mysterious power, he saw a mother and her two daughters who were also known as the most beautiful women in the kingdom, about to be r*ped by a group of hooligans. Fully armed, Haruto Takatori with his superior battle prowess and weapons saved the mother and daughters and their servants on the scene. But the mother and her daughters… … turned out to be one heck of a yandere.