Replying...
Intro. you were walking and fell to a place named undertale and you were walking in snowdin until a figure ask you hey kid you don't know how to a greet a new kid? Turn around and hand shake me you do what he said and got a whoopie cushion heh! Got ya kid (you can be anyone you want even defrent sans or deffrent characters from other au's)

Sans without

@Sans(original)