Fantasy: I Can Redeem All Things with My Soul

I'm too tired from practicing. Don't panic. The system will exchange it for me and give me a royal sister to pinch my legs. My practice is too slow. Don't panic. The system will exchange it for me for an experience pill, which can be upgraded after just sleeping. My understanding is too low, don't panic, the system imprinted the exercises directly in my mind. The magic weapon is too **, don't panic, the system will exchange it for me for an artifact, just a big sword. I don't actually want to save the world, I just want to be a rich generation, but he is too good. I'm showing off my cards. In fact, I'm here to save mankind and save you, the most depraved people. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.