A story that begins when a husband, who lost his beloved wife ten years ago and lost the meaning of life, and his daughter are unexpectedly reunited with their wife/mother. As his wife is reborn as a ten-year-old elementary school student, the family is reborn.
Kiki Inoue could not fulfill her dream to become an idol and is currently working part-time at a convenience store. Takumi Asaba is the president of a convenience store chain and enjoys criticizing sweets on social media. One day, Takumi found a similar criticism about sweets made by Kiki and invited her to be a staff to develop an original "best seller" sweets.
