Ever since the heroine's 18th birthday, something unexpected has happened to her on every birthday. At 18, she turned into a chihuahua of the queen of a certain country. At 19, she turned into a monster in an e-sports game and was beaten all day long. Until her 25th birthday, she returned to high school and attracted the attention of the school boy. She changed her age to 18 again.
Purpose: Let everyone not be afraid of marriage and believe that there is true love in the world