Underfell X Reader

This is my very book and so far, i haven't seen just any Underfell x Readers without any other AU, so I might just be the first

Underfell x Reader

This will contain lemons and your crush ( ͡° ͜ʖ ͡°) you know what your in for

Underfell X Reader

You just had to climb that mountain right? Sometimes you feel like you should've listened to your parents instead of being the rebellious teen you are. Even though your gut told you to stay home that day, you snuck out to hang with your friends at Ebott mountain. They dared you to climb because of the stupid stories a...