Ep. 1: Secret agents Koko and Mika operate at Abunai Beach

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Koko and Mika are two secret agents. The narrative centers on their activities and interactions within the setting of Abunai Beach. Their roles as operatives define the premise of the story, focusing on their professional duties and the environment in which they function. The source material identifies these two characters specifically by name and their occupation, establishing the core subject matter without additional plot details or background information beyond their status as agents.