Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 10 - 10-37. The Man in Black Clothes (2)

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.

The Immortal Path led to Longevity and Sovereign was heading in ease. When the Longevity was no longer in ease, all living beings were just prisoners. Conspiracy, internal strife, and the invasion of the others, all of it emerged together. 

In such a world, there was such a young man. He made his way upstream, stepping on blood, defying the emperor, destroying the various kings, and slaughtering his way through the hundred clans to form an Immortal Path towards the throne of Sovereign! The Immortal Path was endless, while the Sovereign was limited. He used his blood to forge his immortal legend.

- Description from Novelupdates

There are only two people left in the school dormitory, you and your roommate.Suddenly, your roommate brings back an extremely beautiful online lover and then leaves after giving you some money.Leaving you alone with your roommate's beautiful online lover... Do you feel touched by having such a roommate?Anyway, He Gu dare not make a move.Strange tales of rules descend, and He Gu is chosen by the world of strange tales.Here, only by staying awake, calm, and following the correct rules can one survive.Who would have known that the first clone He Gu encounters is a mysterious and stunning beauty...

In the Year 2030, the ground-breaking online game «Divine Realm» shook the whole world. Its system of allowing players to exchange in-game currency into real-life money attracted everyone’s attention.