STARS-081 [Uncensored Leaked] Mahiro Yui was gang raped because the boys appearance was found out...

In order to save her younger brother who goes to a boys school from bullying, her sister Mahiro was able to sneak into the school dressed as a man and grasp the weaknesses of the bullies to stop the bullying. - However, she is overwhelmed by the bullies who know that Mahiro is her woman. - She was bullish at first, but she gradually fell into the pleasures of her atrocities, drowning in lust and disturbed.