There were a few novels about girls becoming the King of Hell that he could recommend. Among them were Mysterious Revival: I Am Yama, Yama's Spoiling: The Story of Meng Po Courting Her Husband, and Love in Hell. These novels covered different types such as classical Xianxia, fantasy romance, and time-travel romance. They described the love story between the heroine and the King of Hell. Other novels were also recommended, such as The King of Hell's Wife and The King of Hell's Little Daughter. These novels might satisfy your interest in the story of the girl becoming the King of Hell.
There are many fanfictions where Ed is portrayed as a girl. Fanfiction writers like to play with the existing characters in new ways. By making Ed a girl, they can introduce new themes and perspectives. For example, it could change how the story deals with gender roles in the world of Fullmetal Alchemist. Also, it can create new emotional arcs for the character, as a female Ed might face different challenges and experiences compared to the male version in the original story.
The following novels were recommended for Hell Maiden: Hell Maiden in the Other World, I Have Hell, You Can't afford to offend me, Hell Puppet Master in Conan World, Hell Maiden Queen Elizabeth, Hell Maiden (Full Service), etc. These novels covered different plots and styles of Hell Maiden, and could be read according to personal preferences.
There were a few novels about the female protagonist's transmigration in hell that could be recommended. The first was " The Hell Girl of the Other World ", which told the story of a girl who gradually rose up in hell. In addition," Hell Travel " was also a fantasy novel about the female protagonist coming to hell and launching a revenge plan. In addition," The Rebirth of the Blood Hell Queen " was also a novel about the female protagonist's rebirth in hell. These novels might meet your needs for the theme of hell transmigration.
Hell Girl was a Japanese anime about a girl with mysterious powers who could summon all kinds of creatures from hell to help her complete her mission. When the human soul fell into despair, the hell girl would come to the world and save them with her power. The Hell Maiden might face all kinds of challenges and dangers, but at the same time, it might also bring unexpected opportunities.
The 'Galway Girl' by Ed Sheeran is about a love story in Galway. It tells of a chance encounter with a girl in Galway. The song has a catchy melody and lyrics that paint a vivid picture of the relationship, like their time together in the Irish city, drinking, dancing, and falling in love.
In a fanfiction like this, Ed dressing as a girl could be part of a bet. His friends might have dared him to do it, and at first he's all about proving them wrong and showing he can pull it off. But then he realizes that wearing a girl's dress comes with its own set of challenges, like walking in different shoes or dealing with long hair (if he has a wig). This could make for an interesting character - development story.
One idea could be a crossover with 'Death Note'. Light Yagami could somehow cross paths with Hell Girl. Maybe he tries to use his Death Note to stop Hell Girl from sending people to hell, thinking she's a criminal. It would create an interesting power struggle as Hell Girl has her own set of rules and powers that are not of this world.