Read manga: Jamevu

Other name: ジャメヴ ; Jamais vu
Genres: Action ; One shot ; Sci-fi ; Shounen
Artists: Tanaka Yasuki
Status: completed_ok

Another Earth has been discovered by an astrologer in the US, giving it the name "Jamais Vu". That Earth is soon discovered to be a group of aliens, going around the galaxy before arriving in the actual Earth to kill people and appear like them.