Lately, Jun, a teenager, can't stop thinking about his stepmother Yurina's huge breasts. Today, taking advantage of his father's late return, he sneaks a peek at Yurina's naked body while she's bathing... After letting out a sigh and looking up at the empty space, Yurina starts fondling her own ample bosom and lewdly groping between her legs... Startled and excited, Jun accidentally makes a noise. He hurriedly tries to escape back to his room, but Yurina notices him...
