The four girls who have been with you since the start - Hasumi, Yuuka, Chinatsu, and Suzumi - join you on a small quest to find a piece of technology that could shift things around in Kivotos. Unfortunately, it just ends up giving the four girls big, milky tits, and a libido the size of the desert. Now you've got to help quench their sexual lust, and how hard can that be, really?