Forced to Become an NPC

Han Xi is testing a holographic online game, but his consciousness is trapped in the game and cannot exit! "Fortunately, I have full HP, so I can live happily!" "Huh? I still have a lot of skill points?" "Then don't waste it. If you have any skills to learn, fill them up for me!" "As a fake NPC, I'm afraid of meeting acquaintances...