GHKO-22 Rurururu: Sexy Phantom, Bloody Queen, Linlin’s Wish Edition, Lunfu · Linlin Costume

At the notorious delinquent school, Shuuten Academy, a beautiful new teacher arrives as a substitute. Worried about her younger brother attending the school, she takes the job to keep an eye on him. However, the proud and elegant teacher becomes a target of harassment by the troublemaking students. When her brother tries to rescue her by exposing the delinquent group, he ends up being dominated instead. Bound by the school's strict rules forbidding physical contact, the teacher decides to become the legendary 'Sexy Phantom' to fight the school's evil forces. But after her masked identity is discovered by a colleague, she is blackmailed into performing 'health education' classes—forced to sexually entertain the entire male student body in front of everyone. Meanwhile, her unaware brother also gets drawn into the Sexy Phantom's seductive trap… [BAD END]