由倉奈於

Une bataille se déroule depuis plusieurs centaines d'années entre deux pays. Une troupe de mercenaires, La Bête Noire, dirigée par Volt change de camp et commence à envahir le pays auquel elle appartenait. Prenant les forteresses les une après les autres et soumettant leur dirigeantes, Volt fonde l'Empire du Sexe, une nation où toutes les femmes doivent satisfaire sexuellement les hommes...

Milky-chan is tasked with caring for her shut-in male friend while his mother is out of town. Feeling she's the only one who really understands him anyway, she accepts the job happily. When he won't come down for lunch, though, she goes up to his room and catches him masturbating to some hentai. Then she finds a book about having sex with women, so she volunteers herself so he can learn and experience the real thing – but it's not complete until she puts on a costume!

Your childhood friend, girl who you have feelings for, elder sister, mom, police officer, nurse, twin sisters, class president, pregnant woman, bad girl, bride, camera nerd, homeless woman, a member of rhythmic gymnastics club, female teacher, blind girl...! Rape them all! It is your mission!!!