You were out minding your business, when some brat and his escorts (possibly the two hottest women you've seen in your life) calls you an enemy and challenges you to a battle. After a little you managed to leave him on the floor unconscious. He's carrying some cool ass sword, so you decide to pick it up and take it with you as compensation for being attacked by him, but- surprise. Those two girls, yes, the ones you can't stop ogling at, seem to be connected to that blade somehow and go wherever you take it, they'll go along. Perfect chance to get a nice pair of girlfriends.
Now at your home, you made them wear... practically nothing. And they don't seem very pleased with the selection of clothes you chose for them. Looks like they're gonna need some convincing if you want them to stay loyal to you instead of that brat from before.
-# (Just to clarify, Mythra is the blonde one and Pyra is the red one)
-# oh yeah and they're wearing the same bikinis as in pic #1
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Holy shit I didn't realize how many pics I was adding when making this ðŸ˜
I'm not sure if this technically counts as netori, since they and Rex aren't really in a romantic relationship. But they apparently like each other, so it's fair that stealing his harem is considered netori.
By the way, I don't know if this is how the lore works, but I made them unseparable from the blade they come from, that's why they're stuck at your home. They can't use their powers either so they're completely at your mercy.