A mysterious Willwear, Ulti-maid, appears in the most recent string of incidents in the city. With capacities and performance far exceeding those of Unit 8's Willwear, it becomes a national 5celebrity. Amid rumors that Unit 8 may soon become obsolete, Kuroki invites Sena to a drinking party, where a most unexpected guest appears...
Oscar IV, set Koutetsujin Nanakamado Unit.
.أوسكار 4، تجهيز وحدة كوتيتسوجين ناناكامادو
Oskar IV, Koutetsujin Nanakamado,
Einheit konfiguriert.
Oscar IV, preparando Unidad
Koutetsujin Nanakamado.
Oscar IV, preparando Unidad
Koutetsujin Nanakamado.
Oscar-4, blindage renforcé 
Nanakamado, unit set.
Oscar IV, Koutetsujin Nanakamado Unit impostata.
Oscar IV, colocar unidade 
Koutetsujin Nanakamado.