Aika  

Agent Aika, AIKa: New Mission 1-3, AIKa: Trial 1-4, Агент Айка, 에이전트 아이카

An earthquake occurred in tokyo, causing most of earth to be submerged underwater. aika is a salvager who retrieves items from the watery remains of the city. she takes on the dangerous task of finding and obtaining lagu, but she soon realizes that she's not alone in her pursuit.