Three months ago, a new family was established. The parents each brought one child. In order to prevent the marriage from failing again, they decided to get naked at home one day a week and show their true selves. The son invited his classmates to play at home, but it happened to be a nudity day, and he had to be naked. When he met his mother who was full of lust, thunder from the sky stirred up fire on the earth, and it was out of control.