Extra: The Smartest Kid Championship

Extra: The Smartest Kid Championship is a Extra chapter of Sora no Otoshimono manga.
Astraea and Tomoki have a random contests to find out who is actually the dumbest in Sorami. This came after the challenge that he along with Sohara, Mikako, Astraea, and Nymph participated in at their school.
==Trivia==
Category:Manga
Category:Chapters
Category:Extra