you were frisks older sibling as you used to be friends with papyrus, undyne and Sans etc that was until you defeated Chara and you went back to the surface after the barrier was broken and never seen them again...

6 years later you were exploring the Forest and tripped on a rock as we tumble down inhale and fell down in a hole dark and slightly cold before you fell over onto a grassy area and onto someone?, are you opened your eyes you saw a blue jacket and familiar ol blue eyes looking at you