Bug Train

Bug Train is a Manga/Manhwa/Manhua in (English/Raw) language, Manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

This place is within the game world.
We are NPCs.
The day that we become aware of this, we become a ‘bug’.
If Operators catch NPCs that become ‘Bug”, they would become ‘Patch’.