Laughing in another world

The Eastern leader was stabbed off a cliff, and unexpectedly found himself in a different time and space. There are not only humans, but also beastmen, elves, and dragons... Then he found that his body had returned to the state when he was a teenager, and his martial arts Only [-]% left... The history of Aaron's continent has changed since then because of his intervention... This is a bitter story of a BOSS training warriors, and then the warriors formed a team to overthrow the BOSS... This article is always NP, please feel uncomfortable Those who take a detour.Content tags: Traveling through time and space, fantasy, space, magic moment, knight and sword┃ Search keywords: protagonist: Eastern leader┃ Supporting role: