Daily Life in the Underworld Martial Arts Area

Everything is as the name suggests. It's written by martial arts authors, not the characters they wrote, so it can barely be considered an RPS (?) Tips: 1. The author knows there is something wrong with him, but refuses personal attacks. 2. Mainly for ridicule, no malice towards the big guys, just written for fun, fate will change. 3. Although I can't guarantee anything, the author loves you, okay.