Undernightinbirth Stories

Meet Chaos Glasya-Labolas, heir to the Glasya-Labolas Devil Pillar. Dubbed the "Void Prince", he is the most powerful devil when it comes to magic, knowing eve...

When Ruby and Y/N are coming home with stuff Ruby accidentally tripped on the road and a fast car was close. So Y/N pushed ruby and was hit instead. What will happen to...

This is my next male reader so bare with me please. I do not own RWBY. it's owned by Rooster teeth and Monty Oum

Your Name and Your Last Name?? Y/n L/n(please enter) I've chosen you to take part in my game. You shall be the protagonist in my little game to conquer these unprecedent...

Well, it's just basically "Problem Children Are Coming From Another World, Aren't They!?" but I added my OCs into the mix to make it seem a bit interesting. I...

In this unknown space, battles are fought in pairs, regardless of world or origin. This is where the last Master of Chaldea suddenly finds himself in, with no possibilit...

Multiple worlds clash into one as they fight for freedom from the created world and return to theirs but there is a catch...now the group needs one more keystone but the...

This is a book of my OLD OCs. The only OC I bothered to save here is Jay, my first OC. The rest are only used if I'm a friend of yours. Currently, by the time you see t...

Mizuchi a boy who was unknown about his past and is the only boy in Licht Kreis who was the adoptive by Adelheid the leader of the organization she cherish him as the mo...

2nd season of grimson, taking place half a year after the disband of litch, everyone who involve since then have been taking a new path in life and live peacefully as th...

here is where the reader!(male or female) get to be with their favorite charter while being in the fight!

This book covers the different incarnations of my OC, Jay, in several games/anime. It is also where you can read each incarnation's backstory, called as an Interlude.

Can ice prince Jin Kisaragi's heart be warmed by the White Knight of Ritter Schild? 😳😳😳

Ten years ago, he made a promise. But when he finally finds she who he made the promise to, and has the ability to fulfill the promise, he finds himself shaking with fea...

Mizuki was never normal. Least not since she was 5, 11 years ago. Desperate for her life, Mizuki begged the void who ate her parents to spare her. Making an inreversable...

Just a little story I wrote when I was bored, doubt it will turn into anything, hope you like it.

After defeating David Lane and saving the entire world from the dimensional monsters, the Black Lambs decided to disband and follow their paths in life. In Seha's case...

Sonic the Hedgehog is known as the Hero of Mobius, but now he must face a new threat: an inter dimensional Empire who want to conquer all dimensions. Without any Chaos E...