Astaroth Stories

"Seems I should reintroduce myself very well then, I'm Rin Okumura, the 9th son of Satan and the future King of Gehenna, pleasure to officially meet you ~." Th...

After his friends found out about him being the son of Satan, Rin is being bullied even his brother bullies him. He decides to run away when he encounters his older brot...

"Shiro, I'm sorry.." Hikari said over and over, her teary eyes makes Shiro sighed. Ayano Hikari, was signed up as Fujimoto Shiro partner everytime both of the...

Rin has a brother but it's not Yukio. His name is Reika - a Nephilim and the only one besides Satan to have the blue flames. Now you're wondering 'then what about Rin?'...

what if asta had Power of astaroth ? what if asta had time magic ? what if astaroth was reincarnated in Asta ? What if asta had unlimited time ? What if asta had two Gry...

This takes place a while after the Mephyland incident. Rin notices a strange black tattoo that glows a faint blue when he's near demons. Yukio finds out and tells him th...

Asta Regression with magic The sun is brighter than ever it is shine of victory The wind is flowing with hum But Their is no one who can see this sun The light falls...

Astra Twinning is the childhood friend and dear cousin of William Twinning. Ever since they were small, Astra would protect William because her uncle told her she was So...

Where Asta is Astaroth's(King of Underworld) and Licita's(Cursed and Banished human) child and is half a devil. *** This idea have been living rent free inside my head...

Headcanons, reactions and scenarios taken from my Tumblr blog aonogifreactions. Slow updates. Some of the requests might contain spoilers from the manga. I do not own Ao...

WARNING: -Mature language - Explicit scenes -LEMONS!! As the second half demon of True Cross Academy you settled into your new dorm building in which you shared with th...

● Word Count: 9k ● Rin is taken to Gehenna when he is five years old by his older brother who happened to stumble across him during a meltdown. With eight older siblings...

Rin has been in the hands of the Vatican for as long as he can remember. He has never seen the outside world that is beyond the dark halls of where he is kept. The Vatic...

When Rin was little he was always teased but he got used to it but when he get older something happens and he gets set off. This fanfic has Rin and all of the demon king...

Gundam, they are mechanical beings, wielding mysterious powers, that live in distant planet in peace... Until everything went down when other beings discovered what they...

Malika was the 9th child of Satan and the only girl of all of the children of Satan. She was the demon king of logic which makes her incredibly strong. She spent her tim...

James Potter was not who everyone thought he was.In fact,he wasn't even James.The true James had died at 3 days old.At this time,Satan possesed him.In order to blend in...

Y/N Astaroth, younger brother of the current Beelzebub, returns to Kuoh.

Vincent fucks up and there are unforeseen consequences.