PHANTOM EDGE is a Manga/Manhwa/Manhua in (English/Raw) language, MONSTERS
series, english chapters have been translated and you can read them here. You are reading PHANTOM EDGE chapters on https://mangabtt.com, fastest updating comic site. The Summary is
In a world where evil spirits called phantoms cause destruction and death, an organisation that use the spiritual energy of phantoms called Phantom Edge exorcise phantoms to protect the living from chaos. This is the story of Ichiro Yamazaki, a troubled boy who tries to enter the Phantom Edge Corporation to eradicate and take revenge on all the phantoms for the death of his family.