An invincible stealthy old man who is never recognized by anyone and whose actions go unnoticed for a certain amount of time. Today, he sets his sights on the female student Natsu. He stalks her and sneaks into her home to secretly ●. But he still wants to see her struggling and gasping in protest. At times like these, he makes the target wear his underwear and kisses them. As a result, the victim becomes one of his kind. The victim also goes unnoticed by anyone else and can see the old man's presence. Now, should he boldly assault her in front of her boyfriend or family…
