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Darya Nikitina (ダリヤ ・ ニキーチナ, Dariya Nikīchina) was a character in the manga Dr. Stone. She was a doctor on board the International Space Station (ISS) alongside her husband, Yakov Nikitin. While in space, she witnessed the petrification of all human life on Earth's surface from the ISS.[3] Darya...