[Mizuki Amane's First Lesbian!] After school, instinctual desire arises between sisters. Once again, the younger sister is surrounded by her older sister's body, greedily devouring passionate kisses. Their lesbian sex is ruled by instinct over conversation. In the room, only the lewd sounds of their fluids and the continuous, taboo lust of their entwined bodies echo. The bond between sisters is fulfilled by intense tongue kisses that require no words. In the natural progression, pure desire awakens, and their two bodies become one.