Thousands of Races Invaded, Controlled the Underworld Alone, and Was Exposed by His Sister

"Due to failing the college entrance examination and the unexpected death of his parents, my brother suddenly seemed like a different person. He is paranoid and unreasonable. His neighbor's classmate just wrote me a love letter as a prank, but he sent her to the hospital! On the bus, an old man spat. He forced the old man to kneel down and apologize to everyone on the bus, and finally sent him to the public security bureau. There was a woman in the park whose puppy barked at him a few times, and he actually beat the cute puppy to death..." "My brother dropped out of school after graduating from high school. He never went to work. He would hang out during the day and find trouble with people, and he would sleep at night. However, he always had money to spend on me every day... They even signed me up for a supplementary martial arts class. I suspected that his money came from something shady, so I moved to live on campus and used my free time to work and study..." The final letter written by Wang Zihua, a talented and beautiful girl from the Magic City Martial Arts University, before she entered the battlefield of all races was exposed, revealing the existence of a social cancer. An Internet master wanted to use black technology to uncover this man's deeds, but found out that his files were classified as high-level national secrets... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.