Responses
Yep, the knot that dogs and wolves have.
They’re only following how long dogs and other canines knot for. That’s the whole foundation of omegaverse - more or less following a canine hierarchy + alphas with a dog’s dick.
re: 20 mins cumming. It's probably like some other omegaverses/supernatural yaois where a bulb swells so he can't remove his dick without ripping the omega's butt.