Please Call Me Cyber Ghost King

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