SDMF-033 When Elder Sister Returns From College Things Get Intimate
SDMF-033. Konatsu, the older college student sister, returns home after a few years and meets her younger brother Yudzuru again.
They end up taking a bath together, just like they used to do in the past. But Yudzuru is all grown up already and can barely conceal his erection.
She then, gently, leads him into an explosive incestuous affair.