On the street, a friendly family is approached and invited to a special magic mirror studio. The eldest son confesses his virginity to his sisters while his parents are on the other side of the mirror. Then, a mission is proposed: "If you can help him lose his virginity, you'll get 1,000,000 yen" sandwich threesome! The family's aftermath after crossing the line is captured by the eldest son with a camera! What was recorded is the shocking footage of the three engaging in incestuous sex as if it were an everyday occurrence... Content-rich! (Sandwich threesome)
