In a world where Omegas are almost nonexistent, childhood friends Jun-hyeok and Hyeon-ho are both labeled Alphas. But as they grow closer in their final year of high school, Jun-hyeok begins reacting to Hyeon-ho’s pheromones in ways that shouldn’t be possible. As confusion turns into longing, the two must navigate feelings that defy instinct, classification, and everything they’ve been taught about love.