On the first day of time travel, he was turned into a ghost by the Ghost King.

Don't be afraid! [Extreme System] Start!

Travel across the heavens!

Everything that doesn't kill me makes me stronger!

Jiejie~~Ghost Wu Tsuji Wumei, I am determined to be the King of Ghosts!

Sean Westin, start!

Times have changed!

I want to be the "Cyber Ghost King"!

Of course, you have to save money to buy a high-end prosthetic body first.

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The protagonist is a ghost who has a system and travels through various worlds.

Main cyberpunk, sub-demon slayer + other worlds, please see the volume names for the worlds.

Current Progress: Demon Slayer - Cyberpunk 2077