Mutsuki, Kisaragi, Murakumo (sans damaged), Shigure Kai Ni, Hamakaze
「チョコケーキと紅茶セット」"Chocolate Cake and Red Tea Set"
「チョコケーキと紅茶セット」"Chocolate Cake and Red Tea Set", 「チョコレートキッチン」"Chocolate Kitchen" and 「お菓子作りの壁紙」"Candy-making Wallpaper" are placed in the office, changing the BGM to 「艦娘のお菓子作り」 "Candy-making by the Ship girls"
New BGM 「艦娘のお菓子作り」 "Candy-making by the Ship girls"
Will be played when "Chocolate Kitchen" and other candy-making furniture are equipped
New BGMs 「特型駆逐艦」"Special-type Destroyer" and 「吹雪、出撃す！」"Fubuki, Sortieing!" will be used in the event, with "Special-type Destroyer" being used in the first part, and "Fubuki, Sortieing!" being used in the latter part