Minato Hatsukawa, a novice male teacher, was mocked by his colleagues for not being popular. Wanting to get back at them, he took a drug that he had previously bought from a suspicious woman to make his penis bigger...and somehow he turned into a beautiful girl!? If you look closely, you'll see that his penis is still growing and has definitely gotten bigger. His penis and pussy are violently attacked by horny delinquents, and his pleasure is over. Furthermore, his colleagues, who witnessed what was happening, threaten him if he wants to keep quiet...