In this new manga series by Hadori Marie, Aria Oikawa, a 16-year-old high school student, and Hirotaka Oikawa, a 28-year-old biology teacher, are a married couple! Due to the 2021 Civil Code amendment, the age of marriage for women will be raised to 18 years old... In the meantime, there is a comedy about the husband's ideal and lovey-dovey couple life with a rare theme of "high school girl wife" which was published in time!