The girls of Azur Lane get ready for an upcoming party. Javelin, Z23, Laffey, and Ayanami help Sirius practice being a maid, while South Dakota and Massachusetts rehearse at the piano. The single slice-of-life OVA with ecchi elements came bundled with the second Blu-ray of Azur Lane: Bisoku Zenshin!, offering fans a short extra look at these familiar characters.