My Wife is a High School Girl(2005)

My Wife is a High School Girl is a romantic comedy series following 17-year-old Asami, a seemingly ordinary second-year high school student who harbors an extraordinary secret: she's already married to her 25-year-old physics teacher, Kyousuke. Balancing schoolwork, household duties, and keeping her marriage hidden from classmates proves exhausting as complications mount. Her nosy best friends, overbearing father, a teacher who develops feelings for Kyousuke, and an attractive neighbor all threaten to expose the truth. Despite the mounting pressure and obstacles, Asami remains determined to nurture her young love while maintaining the facade of a normal teenage life. The series explores themes of forbidden romance, responsibility, and the challenges of keeping secrets in a small community.