Frisk x Reader : The Day We Fell In

Y/N was with her best friend,Frisk. They were climbing Mt Ebott when something took control of Frisk and he fell down a deep hole.
Read on! I'm horrible at descriptions....lol. Undertale belongs to Toby Fox and you belong to you! I don't own anything except the story

Edit: this story really changed.... =P I'll shut up.