A relative's auntie's side story: Within the family's six clans, an aunt and nephew, whom absolutely cannot be harmed, are double-swapping lovers!! ONGP-014

During the New Year's gathering of relatives, besides exchanging New Year's greetings, there was fine wine and delicious food, and everyone was completely immersed in the joyful atmosphere. Amidst this, two groups of relatives were quite restless... The aunt and nephew of the Yabe and Nanami families, who had maintained a physical relationship for a long time, knew they were relatives but still inexplicably engaged in sexual relations. These four had always looked forward to this annual day when they could interact openly, without the other relatives discovering their sexual acts... But things didn't go as planned. For some reason, their relationship was discovered by the other relatives. True to their ruthless nature, these four, when things got serious, led all the relatives into a large-scale orgy...