The girl who drives around three of the seven "secret" outdoor sex spots across one metropolis and six prefectures and reaches the goal the fastest is the winner. Mami Orihara, who is participating in this game, is experiencing outdoor sex and exposure for the first time! "What?! In this outfit...?!" She squirts and ascends to heaven with fingering in the open air! In her first time at a mixed bath, she is given a thrilling mission to wash her back! "Don't look at me like that... it's embarrassing... but it's the first time I've felt this good!"