Book 3 (Y/N)'s life has never exactly gone according to plan. So when her Mother from another dimension comes and tells her it's time for her coronation, (Y/N) takes it in stride and goes to the Nightmare Realm, bringing with her, her demon boyfriend, Bill Cipher. After everything she's been through, (Y/N) thinks not...
Y/n is a potions healer, over a couple days Nightmare turns to the usual Canon self, but he doesnt leave without you, he keeps you with him in his castle, using potions and typically nothing wrong happens, until the star sanses try to save you, on many occasions, Second x reader, first one is in one of my first books...