
He’s most likely an Alpha, especially with his build—tall, strong, and overall matching the usual Alpha traits, just like how Siwoo is portrayed. There’s even a chapter where Byul asks if he’s ever kissed an Omega, which kind of hints that he might be one. And if he were a Beta—like Kyungsoo, who doesn’t have a scent—it wouldn’t really fit, since Byul described Siwoo’s scent as fresh and calming.
That said, I think it’s best if we wait and see how the story develops, especially since Byul is still trying to understand him more. And as for who the seme is, we don’t know yet—since both are Alphas, anything can happen. It’s still early, we’re just at chapter 14 after all.
I seem to not catch it while reading. Is he an omega, alpha or beta? And which one of them is the seme