Bossun and his gang take a mission to rescue Roman, but the mission goes awry when Bossun and his crew are playing Shiritori after facing boredom in space. Then, they intercept Tsubaki's ship and accept Tsubaki's request, to get Tsubaki back to his own planet. Then, Bossun's ship receives space pirate Sōjirō's transmission. The space pirate demands Tsubaki's treasure while threatening to hurt Tsubaki's fiancée, Mimori.