Red And Blue Desires: The World Is Ours

Blue-vioet and red-orange eyes opened with a coldness emitting from them making all those around her shudder in fear.

"It seems that all of you has became brazen enough to hurt me. These ladies wll surely give you the pleasure of death of which you are wishing for."
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Jeannine and Jeanne Tussand were world-renowned assassins in the 22nd century, making all those who know their names shudder in fear everytime someone says their names.
But then, their so-called mother steps in and stabbed them in their moment of carelessness. Cursing the world and her as they lose their conciousness. Not knowing that this had made a certain person to respect them.
But what's this? They seem to wake up in another world with people able to summon nature's elements with a single flick of their hand.
They will dominate the whole continent and kill off those pesky insects! They mastered the arts of medicine and poison, spread fear to the citizens. They even recieved a spiritual space of which was a dream to all to have one. They will climb to the top and rule the whole continent!
And what's with this creepy male twins constantly following them and announcing that they are their wives with looks of perfection and skills matched with theirs, both females and males strive to be in their good graces. But our protagonists doesn't care because they are nothing but annoying flies that constantly follow them like they were some delicious food.

Corin: Heaven has gifted us wonderful brides, brother but alas, it seems we have a lot of rivals that we have to dispose.

Darin: We will crush them for our beautiful brides. The world will know that they are ours and only ours.

Jeanne & Jeannine: Perverted yanderes!!!

Author's Note:
Names, places and characters are mine and is a figmento of my imagination. The chinese names here are just names that I thought would be perfect for chinese people's names. Lol, I'm bad at making names.