R18-314 My Sister’s Busty Breasts Are Irresistible, Nostalgie4: Rururu… Chūdeshi, Natural, Swimsuit, Tied, Glasses, Big Ooppai

Rururu and two other sisters are present. For some reason, all three have developed a transformation fetish, and when it's revealed that the transformation is actually a canojo, they become visibly excited. The sisters, driven by their uncontrollable urges and in a state of psychological distress, begin exhibiting transformation behaviors. Their transformation play then shifts focus toward Nananto and Rururu. Rururu gets pinched hard…