Fukusaki Ren, a medic of the Earth Defense Force, rescues Nanako Tsukishima from the clutches of the alien Galan race, who seek her biological data. However, the enemy infiltrates the base, captures Ren, and takes control of Nanako. The Galan alien impales Ren's transformed body while forcefully inserting a massive connector deep into Nanako's most intimate area. Brainwashed male squad members join in, using their erect cocks to torment Nanako relentlessly, driving her to repeated, overwhelming orgasms. Pushing through the agony, she attempts a desperate escape. Amidst a monster attack, Ren transforms and fights back despite her battered body. Yet her already trained form as a flesh slave draws ever closer to marking the final moments of Arise...!? [BAD and HAPPY END]