I'm an Omega and It's All My Fault

Jin is at the top of his class at an elite alpha academy. He's smart, good at sports, and good-looking to boot. Basically, he's the perfect alpha. And Shusei is not happy being stuck in second place. Worst of all, Jin finds out Shusei's secret: he's actually an omega! Shusei doesn't want to get close to Jin, but somehow, every time he catches Jin's...