MTL - Demon Slayer: The Beginning of the Game Opens the Way of Reward for Diligence - Chapter 49

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

A great demon king who came from another world to conquer Earth. To save the Earth, Li Luyou could only first take care of this great demon king… a little girl proclaiming herself Her Imperial Princess.

- Description from Novelupdates

[1v1+high sweetness+group favorite+wife chasing crematorium! 】

The old lady of the Xie family bought a little girl from outside, saying that she was going to be General Xie’s wife. General Xie who learned about this said: Even if I can’t stand up in this life, I will never marry such a scheming woman!

The little girl nodded with red eyes: I understand, General.

General Xie’s grandmother: He doesn’t think that he is unlucky. There are so many young talents in Yandu. I will look for Ah Fu later. His leg is broken, so he is not good enough for us Ah Fu.

General Xie’s younger brother: Then I have to marry Sister Ah Fu as my wife when I grow up~

General Xie’s sister: So my brother hurt his leg, I thought he hurt his eyes, why is he so blind!

–

Later, when General Xie saw Jiang Fu smiling at others, he found it extremely dazzling.

He pushed him against the door, and said aggrievedly, “Ah Fu, don’t be afraid of me.”

- Description from novelbuddy

Ryuk’s life in the forsaken Grade E city was bleak, but it truly shattered when a Knull raid took his last family and left him for dead. On the brink of despair: [System Activation Complete.] [Congratulations, Host has awakened the Draconic Pets Evolution System!] [Welcome host, to the path of domination.] Thrust into Endearth, a shattered mirror of Earth teeming with mythical creatures—vampires, werewolves, cosmic gods—and the unstoppable Knulls, Ryuk sets out on a journey of relentless growth, vengeance, and discovery. But power comes with a price, and the dual nature of his gift could either save humanity or destroy everything. This is a story of evolution, redemption, and defiance. Join Ryuk as he rises from nothing, building unshakable bonds with allies and carving his path in a world where strength is the only currency.