Tenkousei ga Kita!!/Arale ga Futari!? Copy-kun

Arale & Co. get a new classmate. A nerd from the big city island. The class listens in disbelief to everything that is supposed to be available there. But when Midori starts teaching, the new kid feels completely underchallenged. So he decides to study on his own and solve his collection of difficult problems. But the others annoy him and constantly want to play with him.