Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 1 - 1-2. Written Dream Read as Ephemeral

Found a suitable body named Bai Xiao. Reincarnating into the World of Elementalists.

“Mission: Overpopulation of carnivorous fish in the lagoon.

Please kill 666 carnivorous fish in order to prevent the destruction of the lagoon’s ecosystem.

Reward: 20 Balance Points.”

“Mission: Forest fire.

Extinguish the fire.

Reward: 200 Balance Points.”

- Description from Novelupdates

In the heart of the Azure Continent lies a legendary establishment known as Origin Mall.This extraordinary store offers goods beyond imagination: a sip of its cola can instantly replenish one's vitality; its spicy snacks grant the strength to overcome powerful foes; the games it offers can accelerate cultivation progress; and its novels impart profound techniques and insights.Origin Mall boasts a vast array of offerings, catering to leisure, entertainment, dining, and training needs alike.However, there’s one rule that all visitors must remember: never cause trouble in the store. The owner, though unassuming, is unimaginably powerful.

I may be a virtual YouTuber, but I’m practically an office worker. You’re saying I have the most subscribers in the group, except for the boss? Well, all those subscribers are on the official account, so it doesn’t really mean anything. Why haven’t I made an official debut? … So, what can you actually do about it?

We were a peaceful people living in harmony with nature in the vast lands of Lyréanor, but this peace was short-lived when our people were defeated by the dark elves, an ancient people even older than this world. It is said that they arrived in Lyréanor by boat and since their arrival, chaos has been unleashed. Proud of their obscure power, derived from dark rituals, they have raised gigantic armies of monsters whose name is synonymous with terror: ‘Obscurus’.They went on the rampage, and everywhere they went the grass didn't grow back, life died and disintegrated. Seven, there were seven. The seven dark elves known as the Lords of the Apocalypse. A single gesture from them was enough to strike us all down, a single gesture from one of them was enough to decimate us in blood and terror.And as I, Foster, contemplate the macabre scene before me, the bloodied and deformed bodies of my fellow elfes beings, and as death grips my soul, a strange sign appeared before me.[Ding... Activation of the world tree system]