Haha 40-sai, Joshikousei ni Narimashita
母40歳、女子高生になりました
Ume Mori, 40, has spent the last 22 years focused on raising her daughter, prioritizing her happiness and success. Now that her daughter has grown into an independent adult, Ume finds herself at a crossroads, unsure of her purpose beyond motherhood. She discovers an unexpected opportunity—she can experience her youth again, this time at the age of 40.