The Omega's Alpha Became the Older Brother

“What you're doing right now is pheromone rape... mmp!” Do-yun tried to push Sa-hyeok away by playing his strongest card, but Sa-hyeok roughly blocked his mouth with his palm. Sa-hyeok's madness-filled eyes, glistening with lust, pierced through him. “Fuck. What? So what, Lee Do-yun. I'm the one who's been hard for ten years because of your pheromones.” His low voice echoed in Do-yun's ear. Held firmly in Sa-hyeok's grip, Do-yun looked up with eyes full of utter confusion. “You were the one who said let's become family, let's be brothers. Your younger brother is just trying to give your back-hole some education, so why do you keep resisting?” “Hng, mm...! Mmph...!” “Every time you talke...