H03273 Kawarazaki-ke no Ichizoku 2 Ep 4

Anna takes Kazuma to the Kawaharazaki estate, deep in the mountains, a splendid house that seems to reject outsiders. Everyone there is devoted to perverse pleasures, and Kazuma watches the maid Suzuka being trained as a sexual slave, which stirs a strange desire in him. He and Miyahara Maki, a resident, begin a passionate pursuit of each other's bodies, starting a two-day nightmare of abnormalities.