If you want to gen both of these character together, I suggest you using Regional Prompter

so they won't mix togther.

Soytan :soytan, necklace,blue eyes, black hair,long hair, black headwear,black beanie,glasses, colored skin, white skin,long sleeves, pink shirt, white skirt, long skirt

Soyniqua: soyniqua, midriff, long sleeves,brown shirt, white skirt, necklace, afro,pink glasses, brown eyes,curly hair,dark skin,color skin,white pants,