The clip comes from Kantai Collection, the Japanese browser game launched in 2013 where warships are reimagined as fleet girls. Zuikaku represents the Imperial Japanese Navy aircraft carrier of the same name, and her Kai Ni remodel added new voice lines, including short equipment responses. Fans nicknamed her Zuizui from her speech pattern, and clips of her lines spread through anime soundboards, fan videos and chat communities. The sankyuu line stayed popular because it compresses her confident personality and a clear thank you into just over a second.