As a swimming coach, he mistakenly rescued a woman who was attracted by a rich second generation. She was drowned by several big men in the water and time-traveled into the body of an inexperienced person who was also diving to save people. He narrowly escaped death and saved a small life, but was told by the system that there were only 10 days left before the spiritual energy would be revived. When the soul was weak, humans were faced with the fate of being eaten by ferocious beasts. When they were desperate, they found that they could extract supernatural powers and simulate them...
