I mean there has to be some kind of rule against the demon king invading the human realm. In that case, maybe its justifiable enough to have the dragon king "defend" the human realm by fighting the demon king... (๑•ㅂ•)و✧
Hear me out, I have a feeling that there might actually be a way back to the their world. So as long as they don't recognize each other until after they both return, then everything may be alright ╮(￣▽￣)╭
Right? (Novel readers spoil me please)
