Though young people recoil from entering the black magic industry, I found its treatment of employees quite good when I entered it, and the president and familiar are cute too so everything is awesome! is a Manga/Manhwa/Manhua in english language, Comedy series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Franz is a recent graduate of magic school who is having trouble finding a job - he constantly bungles interviews due to his poor communication skills. With all the major magical jobs out of his reach, there’s only one place left for him to go: the industry of black magic. Known for being Disgusting, Dirty, and Dangerous, Franz is incredibly hesitant to actually enter such a market until he no longer has a choice. With his back to the wall, he talks to the Black Magic Incorporation’s CEO, who tells him the truth - black magic has shed its harmful exterior, and has instead become Pure, Pleasant, and Permissive. In short, Black Magic Inc. has actually become a white company. Join Franz, his Cerberus boss, and his succubus familiar as they get into wacky adventures meeting other magicians, and getting to know them in the biblical sense.