Mina, who has a tomboyish and straightforward personality, is currently living with her boyfriend. Their life seemed smooth sailing, but her boyfriend was unreliable and weak-willed, causing Mina to secretly feel anxious. She had to take the lead during sex, and he didn't even want to go to work. Although she loves him, he is completely opposite from her, acting like a wimp. 'Sigh, if only I were born a man...' One day, when Mina woke up, she felt something strange in her crotch. Hesitantly, she lifted the blanket and found a erect penis growing there...!
