Chronicles of the Heavenly Demon - Chapter 10: The Divine Demonic Vault (1)

In 2040, The Earth was bathed in powerful radiation when a star went supernova, this radiation granted 50% of humans superhuman abilities but also created a nightmare for them as animals, insects, and carnivorous plants were mutated and became overpowered with intelligence, human started teetering on the brink of survival, a boy with no powers and no father, with a mother in a coma, seems destined for obscurity, but one night changed his life, with a new found hope to cure his mum from the everlasting sleep—Gene Elixir— he went on on a journey that would reshape his destiny...~Voracious Sovereign... Gene Devourer...Pray you won't be devoured by this power you wield which hunger is insatiable~~You call yourself an opportunist... But... you aren't free. A hungry man is not a free man...~

Regaining the memories of his previous life, Cyril realised that he was an otome game’s character, the villainous daughter– Sophia’s butler.At the rate things were going, Sophia would eventually have the prince stolen away from her by the heroine, fall into darkness, and be executed.Wanting to save the villainous daughter he was so fond of, Cyril moved to eliminate all the factors that would cause her to fall into darkness, raising her up to be a talented and beautiful girl who could win the prince’s love, however…

“I’ll say it again, I’m not really a genius singer, nor a genius creator! I have no love for singing! My ideal is to be a carpenter!”

“But Mr. Xu, you have won the Grand Slam of awards, and your albums have accumulated the world’s number one sales! Your lyrics and production have won so many kings and queens with one hand! You are considered by everyone to have crushed one by yourself. era!”

“Didn’t you agree to talk about woodworking? Don’t you want to do it?”

“No, boss! But this is your TV station, you have to think about the ratings! Everyone just wants to hear how awesome you are, not your woodworking hobby! The story of being banned?…Okay, okay, can we talk about last year’s rich list? We all know that there are four Chinese women in the top 50 of the world’s richest list, all of them are single, and it is rumored that they are all single with you…”

“Actually, woodworking is very interesting, let’s talk about woodworking!”

“Why don’t we talk about An Xiaojing An Tian? Everyone is very curious. She is not married, but her three children are all surnamed Xu, and…”

- Description from novelbuddy

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume