Haruna (married woman), 26 years old, married for four years. Her husband is 30 and works at a well-known construction company, earning a good income. To outsiders, they appear to be a happy couple. In reality, however, their relationship is more like a "paper marriage." They've mutually agreed not to have children, and she secretly takes birth control pills. Although her husband hasn't explicitly permitted it, she's come close to being caught cheating several times but managed to avoid exposure. Her husband is submissive and currently has no other partners, leaving her increasingly sexually frustrated. Today, she left home claiming to be attending a girls' night out with friends, but in truth, she's resentful toward her permissive husband and seeking excitement elsewhere.