The act of spreading one's own vagina wide open with fingers so that it is clearly visible to the partner, known as 'kupa'. Misato Sana extends her hand towards a troublesome thick female genitalia to lure a man. While showing off, feeling the gaze and getting wet... Even during insertion, the penis is spread wide open in the anal hole, continuing to expose a woman's secret place that one would never normally see, in a lewd time. This work has prepared six such kupa situations. It is a subjective video that directly stimulates your genitals.