Following the events of Chapter 1 and 2, Y/N and BF/N were attacked by Striker, a cowboy imp who was hired to kill Stolas and the humans before all of Hell could find out about them. However, Y/N learns the truth about what's happened in Hell and plans to save Loona and the others, but neither Y/N or BF/N have a way to Hell. As they tried to come up with a plan to get to Hell alive, they were approached by an unknown person with a solution to help them out. With his help, Y/N and BF/N journey into Hell with their best equipment and a newfound power to save Loona and the others from Satan only to gain more new enemies to later encounter in the future while also gaining some new allies. This... is the Highway to Hell.

Y/n always had the best childhood; he had a perfect father who was very protective of him, who was married to an abusive stepmother. He is always shy towards others and is careful not to offend them. His life changed after losing his father when he turned 15, and his stepmother was being awful towards him, abusing him, and once he turned 17, walking home from school, he was followed by bullies, falling into a portal that was in the opening falling into hell ending up meeting a beautiful hellhound name Loona, who seeing how scared he is becomes friendly towards him while blitzo offers him a job and his life in hell was just the beginning.

Y/n is the younger brother of Dean and Sam, who also witnessed his mother's death from a mysterious creature in the fire. Now, as a 17-year-old, while living in a terrible orphanage, y/n meets a lovely hellhound who takes an interest in him, taking him to hell, getting him a job, y/n's past catches up to him, and he fights supernatural creatures while finishing the case his dad started.

On a cold, spooky night, Lucifer was enjoying the time on earth with his wife, Lilith, enjoying their vacation, when suddenly they heard crying in the distance. They found a burned-down village where nothing survived but a human child who was four years old. They decided to adopt him and become Charlie's human brother as years gone by he meets a lovely hellhound who has been having a tough life becoming friends with Loona and more.

Y/n's life wasn't always the best. At a young age, his parents abandoned him when he was 10, in a dumpster. At age 17, when he was walking back to his apartment after going home with a job that he didn't even like, He found a hundred-dollar bill on the road. He goes to a bar, meets a cute goth girl who also has issues, and the two begin to bond and develop a relationship until one day he discovers her secret when a imp name bliitzo messes with a spell in the grimore summons y/n by accident after getting fired from his job. Blitzo gives him a job.

Y/n always wanted to be a cop when he grew up, but thanks to a crime he didn't commit at the age of 17. He can't. has been out on the streets with his parents, not believing him that he's done, his life changed when he met I.M.P., who was sent after him to kill him. But it didn't go as they planned. y/n managed to beat them at their own game. But things stop when Loona discovers the truth from him, and blitzo has him join I.M.P. Loona begins to have feelings for y/n, and so does he for her.

Y/n never had a very good childhood; he doesn't remember his past life. While growing up, he was treated like trash by the adults; they've been giving him nothing but glares, he has no idea why they are upset with him, they never even let him make one friend, it wasn't until when he was 17 he found out he has the spirit of the nine tail fox inside him, and when I.m.p were sent to capture him and kill him his power was unleash killing the client.

In Oklahoma, y/n was a 17-year-old who loved looking at the weather, especially when it was very severe, during tornado season, when he was young, whenever they were far away from where he lived he would go out look at them some he seen so far was an ef one and 2s since he's been living here it wasn't until one day he mt a hellhound who was on a mission with some imps where he had a good view of after an f five tornado strike his when he tried to warn his parents he was in the path wasn't until Loona got him out of the way into a safe spot with the imps.