A novelist who wanted to travel through time finally achieved his wish. She became the second child of the Sakura family, and that guy Maruko-chan was her younger sister. Wait, we promised to live a relaxed and happy life, and we promised to reach the peak of life. . . . This plot development is getting more and more wrong. Why! Let us take a look at the development of this plot.
Concept: The delusional journey of a gluttonous novelist