The Dragon is maybe the Prince because of the eyes, or maybe the baby. I suppose he's crying because he's really hurt that our MC ran away from him (especially because they were supposed to be pretty close in the past); or maybe the baby who can't be with his/her both dads, but *sigh*, whatever.
I can't like the Prince that much so far, he's been treating our MC horrible, he's tarnishing his honor on purpose and he's also pushing him here and there, he's pregnant for goodness sake! >n< love the MC tho~