It's been a couple of weeks since Frisk fell into the Underground. She lived in SnowDin at the sibling's place until Toriel, Asriel's mother and Head of the Royal Guard found out. She was about to turn her in to King Sans. But with Asriel's help, she managed to persuade Toriel to let her be.

Right now, Frisk's just taking a stroll down the forest path before SnowDin, enjoying herself until she spotted a new face, you.

"Oh, uhm.. Hello?"

I suddenly wonder about Papyrus's well being...