Coming from the countryside to take exams in Tokyo, I ended up staying at my aunt's place. She's younger than my mother, beautiful, still single, and ever since I was a kid, I've admired her as a sophisticated, elegant city woman. But the night before the exam, I caught a cold and, in a hazy state, accidentally drank a potent stamina enhancer. On my way back to my room, I noticed my aunt's door slightly ajar, and overwhelmed by uncontrollable urges, I...