on this AU your character is the one who wants the discs and fights Dream for them, not Tommy.

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Once you get the discs back again, you are writing something on a book, the dsmp book, where everything is noted, including... what is who's, there's a page for the discs, and you are writing your name there, there are two names, Dream and yours, both had been ereasing or making doodles over each other's name and keep writing your names over each others while the fight goes on.