From a young age, I was shy, barely noticeable, and lived a quiet life. I married the man my parents introduced me to, and I've never experienced orgasm through the mechanical sex we had for child-making. One day, feeling a vague sense of loneliness in my otherwise uneventful life, I was invited to a department party and ended up having an affair with a male coworker. It was a pleasure and a sense of transgression I had never known before. Since that day, Kana can't forget the feeling of warmth flooding her womb...