​Witness the wild and steamy adventures of an insatiable younger sister in “The Milk Box with Cave-Chan”. Join this taboo tale as it unfolds over three intense days and nights, where even the confines of a bus cannot quell her insatiable sexual appetite. Prepare yourself for a rollercoaster of pleasure as the protagonist educates his sister’s dulled nipples, indulging in a primal frenzy. No holds are barred as they explore forbidden desires together, leaving viewers captivated by the erotic transformation of the once innocent depression-chan’s breasts. Get ready for a seductive journey into a realm where inhibitions are discarded, and lust reigns supreme.​