International crime investigator Ritsu Hazuki burns with vengeance for her former comrades, yet still anxiously awaits news of the missing Koya Momiji. A mysterious man now stands before her, forcing Ritsu to prepare for a new battle. However, Kondo firmly rejects Ritsu's request to join, stating, "They don't kill women," before walking away. His words only sharpen Ritsu's resolve to fight. Meanwhile, Momiji equips a newly upgraded combat suit, modified to counter their enemies' evolution, readying herself for a new confrontation. A relentless, sensual full-scale assault once again drives Gades into a corner, leading to an endless hellish tableau of defeat. Gades is pushed to complete, irreversible isolation, engulfed by countless tentacles until even her fighting spirit and identity are erased.