Project A-Ko 2: Daitokuji Zaibatsu no Inbou  

PROJECT A-KO 2 大徳寺財閥の陰謀, Project A-ko 2: Plot of the Daitokuji Financial Group, プロジェクトA子2 大徳寺財閥の陰謀

Three weeks following the event that caused Captain Napolipolita's ship to float above Graviton City, A-Ko and her companions embark on a summer vacation. During this time, A-Ko contemplates losing some weight while B-Ko devises another strategy to defeat her redheaded rival in order to win C-Ko's affection. Meanwhile, Napolipolita and Spy-D experience intense homesickness and long for the chance to return to their home planet. Simultaneously, Hikari Daitokuji - B-Kos father and CEO of the Daitokuji Financial Group - equips the local military with new mecha in an attempt to seize Napolipolita's ship and its advanced technology.