A full-time housewife named Rei who always remains completely naked. She has lived naked since birth and has never felt any sense of shame. When her neighbor casually asks during a chat, "You're always naked—don't you ever feel embarrassed?" she shows no confusion or hesitation. To her, being nude is completely natural. Yet, this unusual daily life eventually triggers a new change within her heart. Like a mysterious presence woven into the fabric of everyday life, her figure is strikingly defenseless—and it's precisely in that vulnerability that her captivating allure truly lies.