I guess there's no neck biting in this omegaverse bcos then the uke can't be a tsundere ╮( ̄▽ ̄)╭
He can be tsundere even with neck biting have you seen Daato? Lol
Ohhhh yes you are right! Hyesung is also a recessive omega so he might not be able to tell if dojin is the one! But he seems to be completely uninterested ( ̄∇ ̄")
I guess there's no neck biting in this omegaverse bcos then the uke can't be a tsundere ╮( ̄▽ ̄)╭