wow. they are in love? they are now man and slime
What would their children even look like
a blob? no no no a sexy blob. oh wait this isnt the omegaverse so they cant have kids cause they are both male.... （￣へ￣）
Sadly
but....the demon king is a demon so he might have a reproduction system somewhere or maybe some kind of shapeshifting magic.
Yeahh! well you are creative. maybe if their relationship grows to that extent it shall happen! they have shall a sexy baby blob!(⌒▽⌒)
XD haha, "I now pronounce you husband and slime... I would say you may now kiss the slime, but you've already been doing plenty of that"
I'm do I need to become a Holy Knight to get a slime as BIG as that