Traveling Through a Martial Arts Family, I Became the Eldest Son of a Good-For-Nothing

Internet cafe brother Jiang Ming stayed up for three days and two nights to brush up on the top-notch equipment "Tianwu Ling". Finally, the equipment was released, but because he stayed up late continuously and became excited, his vision went dark and he passed out. When he woke up again, he found that he had traveled to a world of martial arts, the eldest son of a useless eldest son of a martial arts family who could not practice...