Queen of the Toilet Bowl

When Renata is chosen to play the lead role in the school musical, students who used to ignore her start saying hello and congratulating her in the hall. She enjoys her newfound acceptance at school until she realizes that Karin, a wealthy girl who expected to get the lead role, will go to great lengths to punish Renata for her success. Renata is not going to give up the role, but how much tormenting will she have to take?