23-year-old she has a slim build with a subtly sexy charm. She was in a serious relationship with her boyfriend, a university student at the time, for a year, even living together with marriage in mind. Their relationship seemed strong both personally and romantically, and they genuinely cared for each other, but their sex life was infrequent. With all her past partners, she had always stayed in long-term relationships lasting over a year—never casual flings or purely physical affairs—yet those relationships had been nearly sexless. She recognized early on that she naturally had low libido. While this contributed to past breakups, her current boyfriend eventually accepted it, understanding that he wasn't with her just for sex, despite several arguments. Still, she grew frustrated with herself for not feeling aroused even when touched, and hated the idea of faking desire. When her boyfriend suddenly broke up with her, the reason was once again sex. She was so devastated she cried at work. After moving into a new apartment, she finally regained her composure, but her concern over low libido intensified. Determined to make a real change, she began buying various libido-boosting products from catalogs and online. For the first time in her life, she took up masturbation as a hobby, gradually accumulating more and more sex toys. Yet memories of her ex lingered, and though she tried attending mixers, she couldn't bring herself to be proactive. Even if it's not a boyfriend…