The Murderers is a Manga/Manhwa/Manhua in (English/Raw) language, Comedy 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

Everyone dies... Death by aging. Death by accident. Death by...homicide. Three murderers know this final death all too well. One kills for art, one for a reason, and one kills for the taste. Offered a contract by an enigmatic company, they may kill in any manner they desire so long as they leave the bodies for...harvesting.