SONE-604 Shirakami Sakka plays a niece left with her uncle for three days while he licks and fucks her sweating body

A man in his mid-60s takes care of his niece, Shirakami Sakka, for three days in summer heat. He apologizes for the lack of bath, gives her allowance, then asks to lick her body, starting with her fingers and moving to her genitals. The 116-minute release follows his slow, guilt-ridden advance.