1) The Saury Festival CGs are over. Now the new Saury CGs are in the library.

2) Christmas CGs are implemented. The ships that have new CGs: Kishinami, Hamanami, Matsuwa, Gotland, Zuikaku. Shoukaku's hair color in the Christmas CGs is slightly fixed. Akigumo's Shuraba mode advances.

3) Christmas lines are implemented. The ships that have new lines: Kitakami, Ooi, Nelson, Gotland, Samuel B.Roberts, Fukae, Kishinami, Hamanami, etc.

4) Furniture renews. New furniture: 冬の床と床暖マット, 冬の北方海域図, 石製の床とカーペット, 艦娘特製冬の提督室壁, 石製の壁, 提督の編み物チェア, 工廠製シチューストーブ

5) 5 new quests are implemented.

6) Stats buff. Kaga kai(maximum firepower, maximum luck), Akagi kai(maximum firepower, maximum luck), Souryuu kai ni(maximum firepower, maximum luck), Hiryuu kai ni(maximum firepower, maximum luck, evasion), Tone kai ni(maximum AA, maximum luck), Chikuma kai ni(maximum AA, maximum luck)

7) Nagato kai ni's special attack mechanism renews. Now it also has synergy bonus form the 91 AP that equipped by Nagato kai ni and the second battleship.

8) With certain shipgirl's assistance, now Type 3 fighter Hien can be improved. It can be upgraded to Type 3 fighter Hien model 1D.

9) With certain shipgirl's assistance, now Spitfire Mk.I can be improved. It can be upgraded to Spitfire Mk.V.

10) UI improvement. Now in the improvement page, we can directly remove the equipment on the shipgirls to the inventory and improve it.

11) Equipment related UI improvement. Now the equipment number that shows in the header will become yellow when the empty equipment slots are less than 20. New category【全装備】 is added in the equipment sort. It will show all equipment(even the equipment that the chosen shipgirl can't equip.)

12) LBAS UI improvement. Now when choosing the attacking nodes, the nodes are in the range will be blue, just in the range ones will be yellow and the nodes that out of range will be red. Now when equipping the aircraft into the LBAS, the tab will be the last tab we open(before it's always the first page).

New quests:

1) 戦闘機隊戦力の拡充: Scrap 4 carrier-based fighters, 4 seaplane recons and 2 carrier-based recons. Prepare 1 skilled crew member, 1 new model aerial armament material and 3000 bauxite(These will be consumed). Choose one of following options as the reward: a Reppu kai, two Type 3 fighter Hien, two Spitfire Mk.I

2) 基地航空隊戦力の拡充: scrap 4 carrier-based fighters, 4 dive bombers, and 4 torpedo bombers. Prepare 1 skilled crew member, 2 new model aerial armament materials and 4800 bauxite(These will be consumed). Choose one of following options as the reward: a Raiden, a Prototype Toukai, two Shiden Model 11

3) 冬季大演習: This quest is renewed from the quest 秋季大演習. Get 8 PvP victory in a day.

4) 空母戦力の投入による兵站線戦闘哨戒: Use the fleet includes at least a carrier to get S rank in 1-3, 1-4, 2-1, 2-2 and 2-3 boss nodes. This might be a quarterly quest.

5) 冬季北方海域作戦