Older Sister's AV Debut at 22

Shinonome Miki is a brilliant student at a prestigious private university, known for her beauty and close relationship with her younger brother. When she casually mentions starting a part-time job and may be out late, her brother discovers she has secretly become an AV actress. As he watches her explicit films, he grapples with complex feelings—attraction, confusion, and shame—as his admired older sister pursues this hidden career. The story follows the brother's conflicted perspective as he observes her double life, torn between his desires and the emotional weight of his family bond.