Rima was raised by her single mother, who has now remarried. She should be happy, but she can't truly rejoice... The person her mother married is her first love's homeroom teacher... Since finding out, feelings of jealousy have been swirling within her. She had wanted him so badly, but because of the teacher-student relationship, she couldn't have him during her youth. Regret towards the teacher who never saw her, anger towards her mother for becoming a woman again. Unable to hold back any longer, Rima decides to carry out a nighttime assault on the dangerous day!
