At an esteemed all-girls school, a fresh male teacher named Karato Kentarou joins as an English tutor. Unbeknownst to all, he harbors a significant secret—despite the appearance of a twenty-something college graduate, he is actually a 16-year-old boy who flunked his high school entry exams. Enjoying the attention from his female peers who respect him as their instructor, Karato navigates the delicate balance of his facade, knowing that a revelation could spell disaster.