According to the twitter post of Nojiri Housuke (the novel author of Rocket Girls
), he will commercialize a panty-shaped toy plane inspired by the ED animation of Sora no Otoshimono
Sora no Otoshimono ED2
Nojiri's "Flying Pantsu"
Nojiri was deeply impressed by the ED animation and created a rubber band powered toy plane to reproduce the flying pantsu. He said he cannot disclose anything concrete about the project but he will do his best to meet Soraoto fans' expectations.
Source: Nojiri's tweet