I was secretly in love with Ai, the married woman who lived next door to me. Every time we passed each other in the hallway, I was so nervous I couldn't breathe. Then, one day, the elevator that Ai and I were riding in broke down, and we were left alone in a closed room. I was mesmerized by the sweat that was floating in the cleavage of her abnormally protruding breasts, and I ended up pushing Ai down. Since then, we started to meet secretly, out of sight of others, and we devoured each other while covered in sweat until our sexual desires were exhausted...