Six nieces have come back to their parents' house for the first time in a long time! Although their bodies have grown into high school girls, they are still children inside, and they want to take a bath together like they used to. The bath is small, so naturally their bare breasts and butts touch each other a lot! When they get an erection... the nieces, acting like adults, start asking, "Can I give you a blowjob, uncle?" and they start fighting over the dick! While they are at their parents' house, the nieces, who are curious about sex, are constantly asking for sex and are made to ejaculate so much that their sperm reserves are almost depleted!