 If you liked
The New Gate
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 ...then you might like
Kenja no Deshi wo Nanoru Kenja the Comic
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MC had an all-nighter to finish a virtual/rpg game. Upon waking up, the world that they are in is the game they were playing. MC is a well-known character in the game and considered a 'legend'. Both needs to hide their true identity because it will cause too much trouble/confusion in the game-world that they are in.