The Golden Toad Supreme: Rise of the Underworld God

As the millennium approaches, in a corner of Xiangnan No. 3 Middle School, the timid and invisible junior high student Chen Yun lives under the shadow of bullying. A desperate encounter brings a mysterious manual into his hands. The former pushover, trampled by all, embarks on a path of body refinement and patient endurance. From the humiliation in the dilapidated school restroom, he gathers followers, stirs up chaos in the underworld, and navigates intricate schemes and emotional entanglements. The youth sheds his cowardice, breaks free from the cage of school, and leaves the small town of Xiangnan. Along the way, through blades and fists, fierce fights and gambles, he crosses one mountain of the jianghu after another. The patient youth who started at No. 3 Middle School will eventually break through worldly boundaries and transform into a world-class underworld king. — Description from novelcodex.org