When the older brother complains about being dumped by his girlfriend, a drowsy Ena enters the room. She seems sleepy, probably from staying up late. As he keeps talking to himself, he suddenly realizes Ena has already fallen asleep. "Hey!" he tries to wake her, but gets turned on seeing how much his little sister has grown into a woman—so much that he pulls out his cock and starts jerking off. Suddenly, Ena opens her eyes and passionately kisses him. Surprised, he freezes, but Ena says, "It's okay! You were about to cum, right? You were using me, your little sister, as your porn!" She teases, "I'll watch you—I'll let you cum!" But then she snaps, "Why are you acting so tough?" He came to her room feeling lonely after being dumped, wanting his sister to listen, yet he was jerking off using her as fantasy material. "If you can't cum on your own, I'll make you cum myself." She taunts him with repeated handjob teasing, bringing him close then stopping—orgasm denial. Seeing his rock-hard cock, she smirks, "That's more like it, my big brother," and declares it's her turn now. "Please, at least use a condom," he begs, but she scoffs, "No wonder you got dumped!" and pushes him away. When he's about to cum inside her, she traps his balls in a crab clamp—locking him in, not letting him escape.