A King's Survent (Rewriting??, might just stop writing this one all together)

I do not own all the characters in this book, I think only one will be mine, and I didn't make Undertale.
Cross has been in and out of the slave shop for most of his life, that is until a Nightmare, king of half of Dreamtale, meets him. Nightmare has never felt love and was never loved by anyone, so what is this feeling he gets just by being near to Cross?
Is it love? Would Cross love him back? Or will his past come back and hunt him....
Keep reading to find out!!