Ep. 11: Boy Genius Kotaro Appears

11

Kuro is on edge after seeing an imposter causing trouble for a fleet of battleships. Kuro orders Go and Mi to join them assuming they're responsible. Once aboard the ship, they find a kid named Kotaro is responsible. Kotaro is very intelligent with tech and science as he encourages the cats to join him in a dangerous real-life role-playing game. (Source: Wikipedia)