Mayu is a beautiful girl with beautiful black hair and striking big Hitomi. She has a small face, long limbs, and a polite way of speaking. You can imagine that she had a good upbringing. But then a trivial incident causes her to run away from home with no destination, and her fate changes. The girl, at a loss, mutters into her cell phone, "Help me..." She decides to give up on being an honor student and live life according to her own heart...