Our Human

Twin siblings: Mikuo and his sister Miku Hatsune are not normal human's. They are immortal. And have been living in the Family Mansion for centuries, waiting for their soulmate to stumble apon their home.
Their wait is finally over when college Senior; Kaito Shion. Got lost from a camping trip, him and his friends, took during their summer vacation. On a walk through the woods to take pictures of the wildlife for his childhood best friend, who had to stay home to watch her younger brothers. Soon Kaito passes the force field that was made to keep intruders out of the Hatsune property. Kaito trips down a steep hill and injured his right leg, were he is soon found by Miku Hatsune.