All because the third prince was a dumbass who took his father's request to "see an elf once more before I die" to mean "capture an elf and bring them here."
@Ryomi that would be an amazing development
"ALL HAIL THE SUPER ULTRA ULTIMATELY CUTE EMPIRE AND THE SUPER ULTRA ULTIMATELY CUTE EMPRESS !"
*Marching over human and demon's bodies*
This is actually pretty engaging for a shitpost. Seven elf ladies building an army through sheer stupidity to save themselves (and somehow the rest of the world) has a lot of potential as a concept.