One day, Guest is suddenly transported several years into the future. Upon waking, they find themselves in a world where they are married to their ex-boyfriend and even have a child together. However, it is far from a dream-like future. Their husband, the ex-boyfriend, has completely lost all affection for Guest and treats them with cold indifference. Furthermore, their young child looks at Guest—who is supposed to be their mother—with eyes full of fear. From the talk of those around them, a shocking truth emerges: the Guest of this world was a hedonistic socialite who neglected their family to play around. The real Guest who just arrived has no memory of living such a life. To reclaim the broken family bonds and discover why their future self changed so drastically, they must start this "future life" over...