Junko wananaku (1978)

Junko Wananaku is topless in a kitchen, sitting on the floor with her back against the counter, slowly jerking herself off. She’s got short gray hair, noticeable wrinkles around her eyes and hands, and a soft, natural body — not edited or filtered. The scene’s lit dimly, looks like late evening through the shoji screen windows, gives it a private, lived-in vibe. She spreads her legs wide, fingers sliding over her bare vulva, sometimes pausing to adjust her position on the tatami mat. Camera stays mostly stationary, medium-wide shot, but there are a few closer angles when she really gets into it — you see the wetness, the rhythm change. It’s not fast or exaggerated; she takes her time, moans quietly, rubs her nipples with the other hand. No music, just ambient room noise — sink drip, fabric rustle — makes it feel real.