The invincible investigator Yu, who is truly invincible, said, 'There's no way I can be caught. Even if I am, I'm a genius at escaping.' Her mission was to 'infiltrate and arrest the masterminds behind the vicious Yarisha who use a new type of aphrodisiac!' She infiltrated a Yarisha drinking party to extract information with her charm, but was drugged and imprisoned as a sex slave. Believing in her own escape ability, she endured to the limit...!
