An invincible stealth old man who is never recognized by anyone and whose actions are not noticed for a certain period of time. Today, he sets his sights on natsu, a high school girl. He stalks her and sneaks into her house to secretly fuck her. But I still want to see her disgusted and moaning face. When that happens, kiss her while wearing her panties. Then, the person who was done becomes the same as the old man. The other person also becomes unnoticeable to anyone, and can see the old man. Now, will I rape her boldly in front of her boyfriend and family...?