Joel "Lil-K" Fennell is the newest employee of I.M.P, the immediate Murder Professionals. A mysterious, anonymous client asks the company to take out a troublesome target on Earth for him. Along the way, Joel and Loona, the Boss's adopted daughter, begin to form a relationship with each other. As the two work together. Clearly, this is going to be one Hell of an Initiation for him.

Takes place a few years before Harvest Moon Festival. Striker befriends Maya, a prostitute against her will, and they form a friendship while Striker tries to protect Maya from her abusive step-uncle pimp, while both imps feel a little more than friendship between them. Rated M for sexual content, nudity, and quite a lot of swearing. Striker/OC.

After she is saved from oblivion at the hands of Heaven's Exorcists by a masked stranger, Princess Octavia of the Ars Goetia finds herself wrapped up in a series of unforeseeable events, starting with a boat ride down the forgotten catacombs of Hell with her Feline-Saviour... whom she will eventually find to be quite the interesting fellow indeed.

After the event at ozzie's things go from bad to worse as a Striker has returned and plans on succeeding on his previously failed goal however blitz has a score to settle with him and will not stand by without doing something about it.

On Immediate Murder Professionals, Loona the Hellhound takes in a poor boy named Cody, who lost his parents during a tragic house-fire and Loona suddenly grows to care for the boy. PS, I don't know why there is no Helluva Boss in the cartoon category. So I had to improvise, so I'm sorry for the mixup.

A young freelance assassin comes to Imp City for a job, and along the way, unintentionally rescues a tall imp named Blitz. Impressed with her skills, Blitz invites her to join his company, where she's reunited with her childhood best friend, Loona. As she works with the dysfunctional assassins, her old feelings for the hellhound resurface, but can they be more than friends?

Sequel to Redemption of a Cowboy Imp. Although Striker had redeemed himself, there are some people who don't trust him. Thus, he and IMP meet people from Blitzo's past. Will Striker get them to trust them with I.M.P.'s help? Rated M for swearing and some sensual themes.

Esperanza can see demons, angels, and souls yet to pass on. Her grandmother having been killed, Esperanza lives by taking on specific supernatural cases. A grieving mother and husband having their lost son under suspicious circumstances with no leads from the police provoke them into enlisting Esperanza's help. Little did she know that she would have one Hell of an adventure.

The Harvest Moon festival ends badly and everyone in Hell has to grapple with the consequences. CW: Violence, death, self-harm, grief, alcoholism (more to be added as the story progresses). Notice (April 24th): Chapter 8 and 9 have been rewritten (wasn't personally happy with a particular plotline), so do reread it so newer chapters make sense!

In the Ring of Wrath, Moxxie lives with his wife Millie and Blitzo, both experienced hunters brought by the Ars Goetia in order to wipe out the last pack of hellbeasts. But when he somewhat befriends the wild imp Striker and his family, their friendship leads Moxxie to discover the world of the Hellwalkers and transforms him into the very thing his own kind are bent on destroying

Loona is known to be the most cold, selfish, and bad tempered hellhound in all of hell and will not think twice to use her teeth on her enemies. One day while going out to get her dose of avocado salad, she finds a badly beat up hellhound pup all alone on the streets and something lights up in her heart. What will she do with this poor pup? Read and find out.

Moxxie is humilliated by a five year old kid, and things do happen. Helluva Dad prequel.

Maria goes on a trip to Loo Loo Land and things do happen. Helluva Boss AU.

Una compañia en el Infierno que se basa en torturar a los demonios que residen alli esta comenzando a tener ciertos problemas. Pero ellos siempre estaran dispuestos a enfrentarlos, siempre y cuando, sean a sus respectivos terminos. Adentrensen al mundo de las torturas, el placer, el dolor, el amor y muchos demonios y secretos revelados en esta historia.

Luna picks up a contract that may be more than she can handle, but what happens when she falls in love with the one she is supposed to PROTECT? Will she be able to handle the new feelings in her mind and body? Or will she succumb to her own temptations?

The aftermath of Verosika Mayday and Wally Wackford's wedding. A Mayford one-shot.

Loona grows from a milkshake from one of her coworkers and this get outta control

After getting banished from Heaven, Cletus disappeared one day and Collin and Keenie went off to search for him. Instead, the remaining members of C.H.E.R.U.B meet two human students, 'different' but destined by fate to be together. With their help to find Cletus and get C.H.E.R.U.B back to Heaven, by good deeds and foil a terroristic black market, can they succeed? (Post HB EP4)

Wanting to experiment with opening their relationship, Millie convinces Moxxie to give dating another try. But unbeknownst to them both the stranger Moxxie meets on the blind date she set up for him might not be a stranger after all. Based on an idea by Petitprincess on Tumblr

Fricz Horthy, a human, got into a bit of trouble with the I.M.P. Will our poor hero make it out alive or will he die like the others before him? who knows?

Imps and Fallen Angels aren't that different, many of the latter tend to become the former. But a distinction is frequently drawn nonetheless, and Fallen Angels are treated differently. All Fallen Angels must be registered. And no one really knows what happens to those who aren't registered and are caught. Yet it's quite easy to pass as a native imp if no one knows who you are...

This is a story about a Samurai that just arrive in hell after spending many years in purgatory and now looking for a job when stumbled by the IMP Businesses and met the the demons that run it and soon end up in a relationship with a certain Hellhound. my summary suck I know ok. rated M for possibly lemons in the future [Loona,OC]

Growing up, Moxxie learned early that not everyone really liked his parents. So he learned quickly to not mention them. But when an unexpected visitor drops by I.M.P, Moxxie's past is brought to light. After all, how could he deny it when the Radio Demon appeared and stated his presence was required for a Family Reunion? Crumbs was this going to be hard to explain.

Short story and one-shot collection from the Helluva Dad au.

All work and no play makes Fizz a dull jester. So when Asmodeus proposes they spend some time together now that he finds himself otherwise unoccupied, he is delighted to say the least and accepts without a second thought. Now though he really wishes he had thought twice, as he's stuck wandering the mega-mall of Greed carrying baggage that, for once, isn't his own.