He is a person who traveled from ancient times to modern times, and he is also a time-traveler who turned from a martial arts idiot to a talented man. After time-traveling, he lost his memory and only remembered martial arts. He only relied on the memory of martial arts before time-traveling to create his own "Sun, Moon and Stars", in order to slaughter those who hurt him in the world. But he is also a lover, and he only has a soft spot for his childhood sweetheart in this body...