Huh? Isn't This A Galgame? - Chapter 186 - 181: The Eager Guests

This story revolves around a boy who was sent to a dark, mysterious parallel world in the body of his beautiful senior sister known as Lily. The lone girl ran into the night parade of a hundred ghosts the very day she arrived; seeking survival amongst the warrior’s dispute in a chaotic world, and forging her own demon sword! This is an unimaginable other world adventure!

Two heroes of the game Legend of Heroes 2 who were rotten waters*.

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

This novel is also known as 1000 Years Later, Even My Weakest Follower Has Become A Demon King

After traveling through the game where he worked so hard to clear the level, Zhou Mu found that the whole world was stunned for some reason.

Why is the mainland united in its own name?

What’s going on with this religion in its own name?

What the hell are members of the royal family claiming to have their own bloodline? I wonder if this game doesn’t have this feature?

“What have you done in the thousand years I’ve been away!”

- Description from novelbuddy