Kantai Collection, often shortened to Kancolle, launched as a Japanese browser game in 2013 and grew into a wider franchise with anime, manga and merchandise. Kumano is one of its ship girl characters, personifying the Imperial Japanese Navy heavy cruiser Kumano from the Mogami class. Her night attack line comes from in-game battle voice clips that fans recorded and shared on soundboards and in fan edits. As Kancolle clips circulated in gaming and anime communities, short voice cues like this became reusable reactions for raids, strikes and dramatic entrances.