Much to Ibara's shock and dismay, Senku devised a plan and managed to escape petrification. Now the two enter into a head-to-head battle for control of the Medusa device.

To the moon! That's the plan, at least. Senku and the Kingdom of Science need to devise a means with which to go to the moon and deal with Why-Man. The first step is allying with the people of Treasure Island and enlisting their help with some new crafts.