Porn Game: Feminization Device v1.0 by FTGirl

n this game, players take on the role of a male daughter warrior princess and perform various tasks in order to battle against demonic creatures and restore peace to mankind.
In the year 20XX, a giant 300-meter-long lewd beast called “Giant Tower” landed on human cities from the sea, releasing powerful toxic lewd air from its entire body and polluting the air. The lewd poison caused men to fall into a state of rutting, lose their reason, and begin to assault them. With no means of defense, a year later the “Senki Kyokai” was established. The organization’s female warriors were reinforced with battle suits to combat the whores. They defeated many of the beasts and regained the city.​

Feminization Device v1.0 by FTGirl game preview

online.