25-sai no Joshikousei

Hana Natori finds herself in an unexpected predicament when her cousin, Hikari, refuses to attend high school. Desperate to avoid a family crisis, Hana agrees to impersonate Hikari and attend classes in her stead. The only problem? Hana is 25 years old and now must blend in with a classroom full of teenagers, all while keeping her true identity a secret. Navigating the complexities of high school life proves challenging enough, but things take an even more complicated turn when Hana realizes her former classmate and first love, Okito Kanie, is now her teacher. As old feelings resurface amidst the constant threat of exposure, Hana must decide how far she’s willing to go to maintain her charade and protect her family.

✦ AI-drafted summary