My revenge for the yakuza son's physical abuse resulted in my beloved fiancée being drugged and raped. (Mori Hinako MIAB-009)

This is a revenge story about a yakuza family punishing a male teacher for disregarding their son's crimes. "I will give you the most painful punishment..." Unsatisfied with mild punishment, he throws his beloved fiancée into a highly seductive gang rape! A powerful aphrodisiac drives him mad! Her eyes, yearning for a penis, follow him, her sensitive body instantly reaching its peak! As she accepts his penetration, his feelings for her gradually fade. And when the aphrodisiac wears off, she still painfully walks towards the yakuza family...