 Kamiyama, seemingly the only normal student, tries to improve things - but then the aliens invade.Yamaguchi's September 2006 film "Meatball Machine", which he co-directed with Jun'ichi Yamamoto based on an earlier film by Yamamoto, has aliens taking over human bodies and turning them into bio-mechanical monsters.In August 2008, Yamaguchi released "", a horror story about a monster-baby which is a more subdued work than his previous manic comedy efforts.