After Gaining Immortality, I Became a Rebel

Qingshan Mengxia had always been a diligent wage slave. It wasn't until the day he nearly got killed for trying to quit that he realized there was something unusual about his former employer. By then, however, Qingshan Mengxia had already earned himself immortality through his own unrelenting efforts. Work for a living? No way. He'd never go back to wage slavery again. He, Qingshan Mengxia, was going to live as a happy, free man from now on! Please note: 1. The protagonist is chaotic neutral and takes neither side. 2. If anything differs from the original anime or manga, there are only two possibilities: it's the author's original addition, or it's a bug. 3. I haven't decided yet. More to come. Theme: Persevere and stay true to your original aspirations.