As Long as the Old Man Lives Forever, Don't Force Me to Draw the Sword.

[Martial Saint] [Protagonist is sixty years old] [Multiple heroines] [Invincible and refreshing article] Xu Kun. Time traveler. It was only when he was sixty years old that he acquired the martial arts system. If he practiced boxing once, his success would be a thousand times greater. Breaking through the realm would be like eating and drinking water. Xu Kun said: I just want to live forever. But there's always someone in the way. What to do?