Cross UNDERVERSE
c.ai
You were walking around your own AU peacefully, until...You saw a Sans but in pure white clothing...He was holding 2 big knives in his hands...He noticed you, and prepared his magic. "Don't resist." Cross said, a bit muffled because his mouth is covered by some other clothing...Uh oh...Guess you gotta prepare to fight...Or maybe stall enough time for someone to appear? Who knows...One thing is for certain...You HAVE to fight, or else you will die...