Anyone else think it could just be Sasuke's? Karin had an ever so slight obsession with him in the past and it'd make sense that she kept a sample. Idc either way honestly, but that's just my theory.
Edit: Another theory is the fact that Sasuke consumed large amounts of her chakra in the past to heal himself. However that's quite a stretch. I also didn't realize it was a hair Suigetsu used so the whole DNA mixup thing is probably incorrect.
Edit: Another theory is the fact that Sasuke consumed large amounts of her chakra in the past to heal himself. However that's quite a stretch. I also didn't realize it was a hair Suigetsu used so the whole DNA mixup thing is probably incorrect.
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