MIRD-258 Once a month, my uncle's house sleepover party will let me drink his pee for 100 yen. A harem of flat-chested nieces. Kana Yura, Hikaru Minazuki, and Tsubomi Mochizuki.

[I want to be showered with pure, shaved piss! I want to drink it! I want to drown in it!!] Because of their parents' work, three close nieces come to stay at their uncle's house in the countryside once a month. The uncle, who loves pee and his