The Kingdoms of Ruin Vol. 8 (manga)

Though Adonis despises the new science of the Gear Expansion, the only way to heal Doroka's eyes is the regenerative technology used in the medical nation of Markpoint. Even without her vision, Doroka's good cheer and thoughtful nature remains undiminished, and the flame of revenge burning in Adonis's heart begins to flicker and wane. Yet just when it seems the gap between them is closing, the dark truth at the heart of Markpoint comes to terrible light!