Yuji returns to the outbreak-riddled city, driven by desire to save Nagi from the infectious affliction. Their reunion is desperate and carnal; he claims her body, pouring his essence into her to purge the corruption. Each climax brings Nagi closer to humanity, healing through raw, brutal intimacy. Amidst the epidemic’s decay, their violent, visceral union becomes an act of salvation, binding them in primal love and shared survival.