Kyôretsu môretsu! Kodai shôjo Dogu-chan matsuri! Supesharu mûbî edishon

The name of this movie is Kyôretsu môretsu! Kodai shôjo Dogu-chan matsuri! Supesharu mûbî edishon released in 2010-02-20 and it's main theme is A stay-at-home nerd's dream comes true when he unearths a strange breastplate and awakens a sexy monster hunter named Dogoo, who brings him along her adventure with wacky monsters..