The official X (formerly Twitter) of the Wareware wa Uchuujin (We Are Aliens) revealed an additional pair of cast, theme song, main visual (pictured right) and the main trailer on Monday. The film is scheduled to premiere in Japanese theaters on September 25. Actors Kemuri Matsui and Ten Yamasaki are joining the cast as Batahara and Konatsu, respectively. Japanese singer adieu (Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen - Ryoushu no Youjo) is performing the theme...