A brother who wishes to have sex with his real sister secretly filmed a video of incestuous sex with her at home without their parents finding out! On the long-awaited night, he infiltrated his sleeping sister's room and started the high-stakes midnight mission! If he clears everything, he'll get 1 million yen! Kissing, groping her breasts, cunnilingus... quietly so she doesn't wake up. "Brother, what are you doing?! Stop it..." Confused by her brother's strange behavior, the sister ends up feeling something anyway. Will she end up having forbidden sex with internal ejaculation and incest?
