An invincible stealth man whose existence is never recognized by anyone, and whose phenomena are not noticed until a certain amount of time has passed. Today she sets her sights on Natsu, a high school girl. She stalks him and sneaks into his house to secretly fuck him. But I still want to see her moaning in disgust. In such cases, cover your partner's pants and kiss them. Then, the victim became like an old man. No one will notice the other person either