With the arrival of Gangaran refugees, there is a shortage of food in the ceiling of Yapan. Kashimaru uses Oberman-Planetta's Overskill to "hear the voice of the heart" and exposes the voice of dissatisfaction, which causes a conflict between the people of Gangaran and Yapan. Gain and Gainer set off to exterminate Planetta, but their hearts are heard and all attacks are foreseen. Gainer uses his feelings for Sara to push for victory, but...