Within the planet Oukoku, the King summons his vassals to his throne room for an emergency meeting about what has been going on in the last few days. When the king fell ill, the vassals tried to figure out who will be the successor. It devolved into a squabble between two factions lead by Nes and Dan; Nes chooses the kind and animal-loving Prince Hata to be the next king while Dan chooses the political and battle savvy Prince Barkas. But Barkas is not in line for succession unlike his brother Hata and the reason for this, Nes mockingly reveals, is his tiny forehead antenna. The Chidanneksko, or Chinko, symbolizes a male Oukokuan's worth; the larger the Chinko, the more superior the male is. Plus only males with large Chinkos are qualified to be king since a lack of talent can be disguised