22nd December[]
For a full debriefing on the game update (including developer tweets), you may wish to refer to this link.
Summary[]
- Christmas Seasonal Content will end on 26th December at 00:00 Hours (12 AM) JST.
- Anyone can receives an one time Present Box from the developer if they log in before December 25th 24:00.
- AA guns and anti-torpedo bulges can now be equipped on Reinforcement Expansion slots.
- New Anti-Torpedo bulge equipment
- Akashi's Improvement Arsenal can now be accessed by clicking on the bottom-left crane in the composition page with Akashi as the flagship.
- Akashi's Improvement Arsenal now shows remaining equipment available to be consumed when upgrading.
- New equipment available for improvement in Akashi's Improvement Arsenal.
Limited-Time CGs[]
Limited-Time Voices[]
Limited-Time BGM[]
- World 1 maps will feature a limited time Christmas themed BGM.
Reinforcement Expansion Buff[]
The following equipment types can now be equipped on the expansion slot:
Anti-Air guns
Anti-Torpedo bulges
Anti-Air guns equipped in expansion slots can help ships like Kinu Kai Ni and Maya Kai Ni trigger AACI, meaning that it frees up a main slot for other uses. For example, it is now possible to equip a 
Seaplane on Maya Kai Ni for Artillery Spotting while allowing her to AACI at the same time.
Equipment[]
NEW!New Kanhon Design Anti-torpedo Bulge (Large) has been added to the game.
Can be obtained through Akashi's Improvement Arsenal
Akashi's Improvement Arsenal[]
- Akashi's Improvement Arsenal can now be accessed by clicking on the bottom-left crane in the composition page with Akashi as the flagship.
- Akashi's Improvement Arsenal now displays the amount of the required equipment you have left before the improvement, if the equipment improvement requires another equipment.
Anti-torpedo Bulge (Large) and New Kanhon Design Anti-torpedo Bulge (Large) can now be improved in Akashi's Improvement Arsenal.- Anti-torpedo Bulge (Large) can now be further improved into New Kanhon Design Anti-torpedo Bulge (Large)
Quests[]
| ID | Requirements |    
|
Rewards | Note | |||||||
| B89 | 冬季特別任務：精鋭「駆逐隊」、出撃！ ??? | ||||||||||
| 4 destroyer only in the fleet. Achieve victory (S-rank) at World 1-1 and World 1-2 boss node. | 350/ 350/ 0 / 0 |  X 1
Choose one of the following: |
Requires: (?) Unlocks: B90 | ||||||||
| B90 | 冬季特別任務：水上機母艦、抜錨せよ！ ?? | ||||||||||
| Bring 1 AV Flagship 3 DD 2 XX. Achieve Victory (S-rank) at World 1-3 and World 1-4. |
0/ 500/ 0 / 500 |  and new furniture ライスコロッケディナー (Rice croquette dinner)
|
Requires: B89 | ||||||||
