(Second book to My Guardians and AU's. Read that first to know what's going on) After you reached and stayed in the cabin in the underground. You then... Ran into a... skeleton. A skeleton you didn't know at that. Now that you were in the underground, with a new skeleton, who else would you meet? But now trust issues rising up with you... Betrayed and soul broken.. Would you ever be able to trust others again? Will... You be ever be able to trust THEM again...?

read to find out P.s You will be called Seven in this book because you are the 7th SOUL to fall to the underground after the resets were completely stopped. You will get your background but this is still an x reader and I hope you guys enjoy it

You've been living in the Underground for the past 2 years as a powerful Spell Caster, you prefer living in the Underground than up top on the surface as you find Monsters to be better company but other Humans do pass through from time to time. Monsters can go up to the Surface but choose not too as Humans do not want them there and will attack them on sight but there are some curious Humans who will pass through the Underground and so to ease what ever discomfort they may have some Monsters can make themselves look Human. You the Reader didn't get to know all the Monsters, for the whole 2 years you just worked and relaxed at Waterfall until you met a certain Monster who changes your life and you change his.

Your world. No. Your universe was about to be destroyed. As much as you didn't want to leave, you couldn't let him take over. So you did the only thing you could think of. You activated an ancient spell which prevents him from ever coming back to your universe. The bad thing? You can't go back to your universe either. Suddenly you awake in snow and find yourself trapped Underground, a place inhabited by kind monsters, skeleton brothers, and a young kid who can reset time. As you grapple with your new reality, you realize he is here too, endangering the beings you have grown fond of. Now, in this unfamiliar world, you must confront the consequences of your actions. Can you protect your newfound companions from the coming shadows or will they fall victim to the evil you inadvertently unleashed?

Your name as you know it is Frisk.. You're 14 years old and you were traveling with your friends when you fell into a mysterious black hole in the side of a mountain. Your journey will be long and tiresome.. And you will make friends on your way out.. But will you be able to make it out alive? {COMPLETED}

error x reader. you fell in hole, but not the underground. Found something special about your self and others. Keep reading to find more.

A special human is going to need all the help they can, when a certain child is trying to destroy an underground community of monsters, a secret group of glitches, and the one who can harness the power of every self they are.

You've always felt gravitated towards Mt. Ebbot, even in childhood. You don't know why, but it feels like you're being pulled there by some unknown force. One day, when exploring too far, you fell down into Mt. Ebbot. Along your adventure into the Underground, you meet a lot of people, but there was one who caught your eye... {WARNING: May be spoilers for True Pacifist Route of Undertale, maybe not, idk.}

Bailey Cooper's life gets turned upside down when his memory is completely stripped from him. Without knowing who you are or anything about your life, how can you keep living? And will the cop that saved his life leave like the memories inside his mind?

Imagine Undertale, but Chara never showed up. Chara wasn't the first human in the Underground. What if a glitch occurred, and you fell down instead? You fell into the Underground, but you cant remember your previous life. Now, you are surrounded by strange monsters, who have also never seen a human before. Will they let you live? [written 2017]