Despite being both student council president and captain of the tennis team, Uehara Ruka is known as an outstanding student excelling in both academics and extracurriculars. However, her arrogant attitude draws the attention of a teacher, who exposes her as a delinquent girl involved in a lesbian relationship. As a result, a fabricated school rule violation is uncovered, leading to the sudden suspension of tennis club activities. Female club members and the female vice principal gang up on her in a brutal lesbian assault. Her clothes are ripped off, she is pinned down, forced to drink urine, drenched with raw eggs and water, and subjected to relentless verbal abuse. She is tormented with a strapon and vibrator, leaving her mentally and physically broken.