The accident happened on a quiet summer day. The fire alarm suddenly sounded, and I jumped out of bed and hurried out of my room. Smoke was floating in the hallway of the apartment, and I was coughing and coughing when Yuko, the married woman next door, came out of her room. Perhaps she had been in a panic, but she was wearing only her underwear, and unexpectedly, she was wearing very see-through underwear. In the end, the fire died down quickly and everything was fine, but far from dying down, my mind was burning with thoughts of Yuko's see-through underwear...