Alive is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Hondo Akira was shot to death by the U.S. military for a crime he did not commit. However, he somehow survived and became a teacher at a girls’ high school. What is the objective of his assignment to this school? The key to that is in the hands of Tsukishima Hibiki, an ordinary high school girl in the art club… The story accelerates as Hondo, an out-of-the-ordinary egoistic gentleman, gets involved in his surroundings.