Changes

100 TP (Easy/Normal/Hard)

100 TP (Easy/Normal/Hard)

*Key Rewards: [[Zuiun (631 Air Group)]] Submarine Drawers

*Key Rewards: Submarine Dresser

** Clearing on Hard (甲):  Irako x3, Mamiya, [[Reinforcement Expansion]]

** Clearing on Hard (甲):  [[Zuiun (631 Air Group)]], Irako x3, Mamiya, [[Reinforcement Expansion]]

** Clearing on Medium (乙): Irako x2, [[Reinforcement Expansion]]

** Clearing on Medium (乙): [[Zuiun (631 Air Group)]] , Irako x2, [[Reinforcement Expansion]]

** Clearing on Easy (丙): Irako

** Clearing on Easy (丙): Irako, [[Reinforcement Expansion]]

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|branching =