Doomed by fate in a previous life, the protagonist finds themselves reborn into a world with a similar, fleeting existence. This time, their allotted time is a mere 21 years, a stark contrast to the seemingly infinite expanse of eternity. Despite the crushing weight of mortality looming over them once more, the protagonist finds an unexpected joy in the simple act of living. Surrounded by the warmth of familial love for the first time, they cherish every moment, from the tender care of their mother to the exhilaration of each breath. In a world that offers no guarantees, this second chance at life, though limited, is a precious gift that the protagonist is determined to savor to the fullest.