Moz and the Kingdom of Science form a tenuous, temporary alliance against Ibara. How long it will last is a question they can't afford to concern themselves with just yet.

The Kingdom of Science members launch an attack on the islanders aboard the Perseus, but Moz isn't far behind and Senku and the others are forced to retreat inside the vessel. Ibara has them cornered, but Senku unleashes his Joker card.