Dust would try to stay as far away from Blue as possible when they first met. Blue would be confused on why, but soon realized 'Oh. Wait. He killed his Papyrus. I'm a lot like his Papyrus... I guess... that means he doesn't want to kill or hurt me...' and Blue would be entirely correct. He's too much like Dust's Papyrus and Dust doesn't want to hurt Blue, because whether he likes it or not, Dust likes Blue.
Weird thoughts
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Sans Au Headcannons
FanfictionThis was originally on Quotev before Quotev went to shit. Rants about and headcannons for Undertale and its AUs <3
