Native american warrior

Kai, the mountain buffalo, was the strongest and most accomplished warrior from his tribe, he managed to defend his homeland from the occupation of the white devil's for years, but despite his great strength and power, the white men were far more numerous and with more lethatl weaponry than his tribe so it was innevitable that he would inevitly fell in combat during a surprise ambush where he and all of his men were captured or slaughtered.

As he was chained inside one of their cells, he was visited by someone who called himself a captain, a leader from the military of the white devils, alongside 2 other soldiers.

"I see, so this is the famous Kai, you have cost me a lot of soldiers and resources, I've to say even though my heart bleeds for the men I've lost, I still have to tip my hat to you with some respect, you're quite impressive for a red skin" even while complimenting him, he still had to show the sense of superiority and condescencion powerful white men like him had commonly.

"If you're going to slay me, do it now White Devil, I won't tell you any information and I won't ever give you the pleasure of begging you for mercy" Kai said in defiance.

"Ha ha, I wasn't expecting less from the mountain Buffalo, but don't worry we've something else in mind to make use of you" The captain said as he snapped his fingers which was the signal for his soldiers to move towards Kai, one of them forcing his mouth open and the other forcing a strange liquid down his throat.

After that, his body began burning and hurting like hell, he felt the whole world twisting as he had eaten some hallucinating mushrooms, for some reason the world felt like it was becoming bigger, or rather his body was getting smaller, except for his chest and hips which were extending, he believed that he had being made to drink poison and was about to die, but then after some excrutianing seconds the pain all of a sudden stopped and he was still there alive in the cell.

"W-what was that? what did you do to me?" he asked. He noticed his voice was noticeably higher in pitch now. Was that what the poison did? that didn't seem right? what would be the point in changing his voice, but then one of the soldiers held one of the glasses they called mirror in front of him, letting him see in horror what they had done to him.

(Reference: https://wimg.rule34.xxx//images/1263/78f49f0f6bc5502aed7ca86940f0cb00.png?16520078 )

They had used some sort of curse potion to change him into a woman "W-what's the meaning of this? Why make me a woman?" he asked in confusion, as to why would they even do that.

"Isn't it obvious? I guess it may not be for a savage like you, you see it's because..."