Can everyone stop talking about the one rape scene please. It's really annoying , why? Because the two of them have a happy ending and they get married and their small problem got fixed.
Honestly I don't think the dream has anything to do it. You can still have a boner when sleeping and still have a normal dream but maybe you're right...
Hel is still the demon king so I do t think it's very wise to slap his thick ass, He'll become a masochist soon enough ╮( ̄▽ ̄)╭