Manga by author Ssing Ssing

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Dominica is a vampire living among humans while concealing her true identity.One day, she is attacked by the vampire hunter Aran. Surprisingly, she manages to overpower him, and they spend a pleasurable night together, despite being perfect enemies.What they thought was just a one-time encounter... As mysterious incidents occur one after another in Dominica's territory, Organic City, they keep crossing paths while tracing the cause behind these incidents...