The Ultimate Special Forces Soldier

This book tells the story of a street punk who spends his days wandering the streets and, through a twist of fate, joins a special military training camp. Three years later, he has earned the awe of the entire city, but danger soon follows. His friends betray him, his lover leaves him, and his family dies. Our protagonist, Zhang Yibai, retires from the underworld, but hardship refuses to leave him alone. He can only fight everyone until no one is left to stand against him...