Dmm R18 Fanza 118ism013 Man Hattann No Izumu 13. A naughty game where couples have to guess each other's genitals for prize money! 5 couples are tempted by the prize money and participate. They start out in high spirits, but it's more difficult than they had imagined, they end up playing an erotic and cruel penalty game.... Man Hattann No Izumu. マンハッタンイズム 13 賞金獲得を賭けて、カップルがお互いの性器を当てるというエロゲーム!賞金に釣られて参加した5組のカップルたち。意気揚々の彼らだが、想像以上に難しく、エッチで残酷な罰ゲームを受けるハメに…。 特集: 素人系AVメーカー特集 マンハッタンイズム