| req = 0rganize a fleet with Yamakaze Kai Ni as flagship along with 3 destroyers in the fleet. Then proceed into the towards the Nansei Islands, the Costal Refinery, The Nansei Island Defense Line, and the Waters Adjacent to the Naval District, successfully secure defensive control in the naval district waters.
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* Put [[Yamakaze Kai Ni]] as flagship and have 3 DD, 0-2 XX and score an S rank on 1-2, 1-3, 1-4 and 1-5.
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| fuel = 500
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| ammo = 500
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| steel = 500
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| bauxite = 0
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| other = '''Choose between:'''<br/>{{QuestRewardItem|Development Material|qty=8}}{{QuestRewardItem|Repair Material|qty=6}}{{QuestRewardItem|Reinforcement Expansion}}