Toaru Majutsu no Index: Genesis Testament - Volume 1, Chapter 1: Just Like an Amusement Park – Red_Wear,Big_Bag,and_Flying_Sledge.

“Give me a group of adorable little players, and I can effortlessly overturn the other world!” – Revnor Murphy Lessenbra.Murphy finds himself reborn as a vampire in a world of sword and magic. But he’s not just any vampire – he’s a test administrator for a mysterious VR game called Reality Realm, and his unique system allows him to summon players from his own world to assist him in this dangerous, new reality.He must navigate the complexities of this new world, learning to command his players all while trying to understand the mysterious forces shaping this world.As he faces threats from all sides. He discovers that the players, despite their naivety, hold a unique strength, unfazed by death and fearless in the face of chaos. Their wild, unconventional tactics often prove more effective than the rigid strategies of established forces.He must learn to adapt to this new world, embrace his newfound vampire powers, and master the extraordinary abilities of his otherworld warriors.Murphy must decide how far he is willing to go to reach his goals – and whether he can truly control the unpredictable force he has unleashed into this world.

On that day, the fog blocked everything.

On that day, he became the captain of a ghost ship.

On that day, he stepped through the thick fog and confronted a completely subverted and fragmented world—the old order had vanished, strange phenomonoms dominated the endless seas beyond civilized society, and isolated island city-states and fleets of ships challenged the sea that had become the last ember of lights for the civilized world. All of this while the shadows of the old days were still stirring in the deep sea, waiting to to devour this world that was about to die.

But for the new captain of the ghost ship Vanished, there was only one question he had to consider first— Who knows how to drive this ship?!

- Description from Novelupdates

Once again, Ye Zhen Zhen had lost her memories. When she opened her eyes once more, arranged in front of her were——

1. A Maternal Grandfather, the Murdered Victim

2. A Large Inheritance

3. A Deeply in Love Fiancé

4. An Overbearing Maternal Uncle and his Wife

5. A Docile Servant

6. The Aloof, Cold, Abstinent Doctor in Charge of the Case

7. A Seemingly Difficult Police Officer

Reincarnated as a detective, Ye Zhen Zhen stared dubiously at them all. Who was the murderer? Was it her? It…?

Only one was the real murderer, but there was far more than just one culprit.

- Description from Novelupdates

The Republic of San Magnolia.