A brother is heartbroken because his sister always makes fun of him for his small penis. Today, he and his friend buy some suspicious drugs online and take them, Kokoro to get revenge. They sneak into his sister's bedroom, drool-covered her lips, and rub her breasts. As the sister screams and runs away, the brothers shove their dicks into her mouth and sink their hips into her shaved pussy, yelling, "We'll show her the horror of a small penis!"