This story is inspired by many other works and may bear some resemblance in certain places. However, I will endeavor to make this story it's own. 2 years ago monsters were released from the underground, ending their centuries-long imprisonment at the hands of ancient humans. Not a soul remains in the underground. But that doesn't mean no one's there. Be it chance or fate, The First Fallen will soon meet an all too curious human as he ventures into the deep beneath. The Reader or [Y/n] is male and Chara is female. I apologize if this bothers you it's just how I've always seen the character. Disclaimer: I don't own these Chara-cters nor do I own Undertale. This is just for fun. This story's rating is [M] for explicit language, violence, suggestive or sexual themes, and fantasy/fictional violence. My lovely reader @NightTheDemon1 told me that the artist of the cover is a Twitter user known as @A___IRAA. Thank you!

Devils exist in mankind. Devils, Angels, and Fallen Angels stuck in a deadlock. Very rarely have there been sightings of a fight between Devils and Fallen Angels. But a wreck just outside of Kuou sparked a new contender that would disturb the peace!

So one day, on your way home, you saved a girl, then the girl asked you to escort her home. After that you had a little "happy accident" with her sister. And then, the story begin... ( A/n : " Also there will be a lot of grammar mistakes in this book and I will be very glad if you guy help pointing it out for me 😉 ) Disclaimer : Art is not mine Undertale and the "Chara"cters belongs to Toby Fox Warning : May turn into an action fanfiction with magic, guns and stuffs. Also, poorly written and a lot of randomness are in here.... You have been warned

Chance and probability are weird concepts... But, what if someone moved a little faster? Took an extra step at the right time? Reached forward half a second earlier? Maybe it would lead to nothing more. But... Maybe it would change entire lives.