29th September[]
For a full debriefing on the game update (including developer tweets), you may wish to refer to this link.
Saury 2017 Mini-Event[]
- The Limited-time Saury Mini-Event has started and will last for about 2 weeks!
- Special equipment can be used to increase the drop rate of Saury fishes:
- Known equipment:
Searchlights (small or large), 
Sonars, 
Skilled Lookouts, 
Depth Charges. - Some Aircrafts will also increase drop rates.
- Suspected to include Swordfish and its variants (Mk.II (Skilled)/Mk.III (Skilled))
- Known equipment:
- Coastal Defense Ships can be also used to increase effectiveness of drop chances.
- Coastal Defense Ships will be available as limited-time drop during the Saury Mini-Event only.
- Known drop locations (on boss nodes) for DE are the following:[1]
- NOTE: Matsuwa drops on 1-5 only for admirals that don't have her, no dupes available on that map.
- Special equipment can be used to increase the drop rate of Saury fishes:
Modernization Update[]
- Using Coastal Defense Ships as modernization fodders will increase and stats. Please note that ship classes that have 0 base stat will not receive the modernization.
- Using DE of the same classes but different ship as fodders will also increase in a certain range.
- Currently known caps to this mechanic are +2 max and +9 max for every ship, modernizations past the cap won't increase the stats any farther.
- Using DE of the same classes but different ship as fodders will also increase
- This content is pre-released. There are possibilities of it receiving further adjustments in the future.
Misc[]
- New BGM [鎮守府秋刀魚祭り改二] will appear in fishing spots (1-1, 1-5, 1-6, 3-1, 3-2, 3-3, 3-4, 3-5, 6-1, 6-5) and in Jukebox.
- You can listen to the new BGM here:
- In addition, 3-5 and 6-5 Boss node has another BGM, Tsukiyomi, originally able to listen via phonograph:
- The Naval Base Counter Bar has been updated to show certain dishes as Saury Cookings.
- Cheat detection has been enhanced.
Seasonal[]
- Start of Sanma 2017
- Fall 2017 continues
Limited-time CGs[]
The following girls have new/returning Seasonal CG:
- NEW! Mackerel Pike Festival CG
- NEW! Naval Review CG
- NEW! Autumn Casual CG
- NEW! Shopping CG
- Returning CG
Seasonal Voices[]
New Saury Limited-time Quests[]
| ID | Requirements |    
|
Rewards | Note | |||||||
| SB01 | 秋刀魚漁：「秋刀魚」を収獲する所存です！ Saury Fishing: I will try to gather sauries! | ||||||||||
| Have 4 saury fishes in your inventory. | 800 / 0 / 0 / 0 | choice between  Furniture Fairy X1 or  X4 NEXT choice between |
Requires: ?? Unlocks: SB02 | ||||||||
| SB02 | 秋刀魚漁：漁を全力で支援する覚悟です！ Saury Fishing: All hands on deck, provide fishing support! | ||||||||||
| Have 12 saury fishes in your inventory. | 1200 / 1200 / 0 / 0 | choice between   Daihatsu Landing Craft X1 or   WG42 (Wurfgerät 42) X1 or   New Model Aerial Armament Materials NEXT choice between |
Requires: SB01 Unlocks: SB03 | ||||||||
| SB03 | 秋刀魚漁：どーんっ！揚げ揚げで大漁です！ Saury Fishing: KABOOM! It's a big catch! Fried and grilled even! | ||||||||||
| Have 30 saury fishes in your inventory. | 3000 / 3000 / 3000 / 1000 |  Type 17 Fleet Fishery Banner X1 AND choice between   Type124 ASDIC X1 or   TBF X1 or  Type 16 Fleet Fishery Banner X1
|
Requires: SB02 | ||||||||
New Furniture[]
