It's been a year since the nightmare class meeting where the homeroom teacher was forced to perform humiliating acts and breast wrestling... This year, the main culprit, a demonic younger sister, has enrolled! Not only the teachers, but also the athletic student teachers are targeted! She orders the whole class to pinch her nipples and pose with a flexible body! She is forced to sing dirty a cappella songs, do perverted one-liners, and even do anal tug-of-war with an anal plug! A complete sequel to the previous work, the class trial of a suspected perverted lesbian is in session!