After disappointing their boss yet again, three yakuza members are given a choice: either face organ harvesting or undergo sex reassignment surgery in Thailand to become pop idols. Reborn as Airi, Chika, and Mari, these former thugs undergo intense training to debut as The Goku Dolls. Despite their transformation, they hold on to their yakuza roots. To remedy this, their boss brings in Mandarin Kinoshita, a legendary manager. Now, the yakuza idols must embrace their cute sides with Kinoshita's help to achieve success and make their boss proud.