Episode :
Mizuki Miyama embodies the ideal student and school idol at Seihou Girls Academy. Holding the position of student council president, she diligently safeguards the well-being of all her fellow students, with a particular focus on her innocent younger sister, Manaka. However, Mizuki is stunned when she discovers Manaka’s extracurricular pursuits involve compromising situations with her teacher and his associates. Determined to shield her sister’s secret, Mizuki is prepared to go to extreme lengths, even resorting to an intimate relationship with the school’s notorious gym teacher.
