chapter 1 how it start

exactly what title said
what happen if dreamswap sans find there self in an original timeline
characters from dreamswap :
ds dream = sun
ds nightmare = moon
ds ink = paint
ds cross = orea , x
ds blue = blue
ds error = glitch
this is not there head cannon nickname but i couldn't find there real nickname
original blueberry decide to choose berry because of that blue name is the same