Alphys has messed up a chemical reaction that released itself through The Underground, swapping everyone's gender

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Undertale Roleplay
AléatoireYes, you read that right. Follow the rules and you'll be fine, if you don't, then you're going to have a bad time
Swapped, but In a Different Way
Alphys has messed up a chemical reaction that released itself through The Underground, swapping everyone's gender