Azu, a full-time housewife who is living a life without any worries, had a secret she couldn't tell her husband. Usually, she wears modest and plain clothes, but when she is alone, she suddenly wears clothes made of see-through material and enjoys a sense of unreality. One day, while enjoying the feeling of transgression as usual, she is seen by her neighbor in her lewd state. Azu, whose secret was discovered, begins to boldly seduce her neighbor...