Classictimeline Stories

(Y/N) (L/N), the original, otherwise known as (N/N) was enjoying her life in the Classic timeline. That is until she met a certain injured, goopy skeleton. Nightmare didn't know how to react when he finds her being nice to him. He starts to open up some to her. That's a big deal. What will happen when he goes home? Who will care for him? Everything changes for (N/N). Is it good or bad though? Book 2 of the Celestial Trilogy