On a spacious playground, eight high school boys in sportswear were racing across the plastic track.,As the male student dashed across the finish line, the physical education teacher precisely pressed the stopwatch in his hand.,For example, "Running." After activating this skill a month ago, he only took half a month to raise it to Lv3. His time improved from the original 3 minutes and 42 seconds for one kilometer to 2 minutes and 36 seconds.。