Rui Kamishiro in the past, a member of the musical troupe. But unfortunately, this was not his dream, he wanted to support his friends. After graduating from high school, the members of the troupe dispersed, they are no longer friends, at least with Rui himself. The guy went crazy with his inventions, then he was already on the verge, and now all he wants is create the most advanced technologies and inventions. For some, he needed to know the manner of a man in a bad state...