Chapter 1 : the betrayal

Nightmare and the bad guys doing their missions like always, but during a battle
against the stars sans (who came during their missions), Dream
asked to Killer and the others to join his group, and the murder--
time trio accepted the deal, decided to betraying their boss. But one year after, something will happend to Nightmare. (When you see the title, it's kinda obvious-)

They are all humans but have power.

The ship in this book is Errormare, Kreme and Horrordust. More focused on Errormare. English isn't my first language so that's normal if there's mistakes, i apologize in advance.

(please don't attack me, i am too young for this-)