Kantai Collection -Kan Colle- Onegai!: Chinjufu Meyasubako
艦隊これくしょん -艦これ- おねがい！ 鎮守府目安箱
A naval girl arrives at a coastal town to live with a male high school student, where they work together to manage a mysterious box that controls the sea. Additional content includes twelve extra chapters providing further material related to the story and characters.