$uicide Line is a Manga/Manhwa/Manhua in (English/Raw) language, Josei series, english chapters have been translated and you can read them here. You are reading $uicide Line chapters on ManhwaZ, fastest updating comic site. The Summary is
Kuroda is a police investigator with a special talent for sniffing out corpses -- literally -- due to a traumatic event in his childhood where he was trapped in a room with his deceased family members for several days. After being assigned to the Missing Persons Division where they hope to make the best use of his ability, he meets a genius detective with an unbelievably high case closure rate.