They come back to the original AU,chara sees them

Chara:"that was quick"

F sans:"It went better than we tought"

Suddenly,dust comes out of the portal and looks at chara

Dust sans:"hello,DEMON"

Jason:"watch your words"

Dust sans:"who the hell are you?"

Jason:"her boyfriend"

Dust looks at them,then at sans

Dust sans:"are you okay?"

Sans:"where is everyone else?"

Chara:"Toriel and the others went to hide undyne,she got badly injured"

Sans turns around and starts walking upstairs

Sans:"im going to my room"

F sans:"that happened"

Dust looks at jason:"do you love her?"

Jason:"of course i do"

Dust:"too bad,she loves him"

And with that,dust leaves,leaving a shocked jason and a furious chara behind