Leticia’s father, the current king, is very wise and knew that both of his sons have their own supporters and that if either one became king the other brother’s supporters would rebel, and the country would have a civil war. So he decided to announce that he will retire while he’s still alive and make his daughter, the princess, his successor! However, the princess never expected to be Queen and she really doesn’t have any political allies. So she decides to gather a group of knights loyal to her and form her own “round table” before the day of her coronation. The problem is, all of the good knights who are strong and skillful and loyal have already been snatched up by her father and brothers for their own personal guards. **Note:** Okobore Hime to Entaku no Kishi went on hiatus after the release of chapter 17 in the August 2015 issue of ARIA, and serialization never resumed before the magazine went defunct.

Leticia’s father, the current king, is very wise and knew that both of his sons have their own supporters and that if either one became king the other brother’s supporters would rebel, and the country would have a civil war. So he decided to announce that he will retire while he’s still alive and make his daughter, the princess, his successor! However, the princess never expected to be Queen and she really doesn’t have any political allies. So she decides to gather a group of knights loyal to her and form her own “round table” before the day of her coronation. The problem is, all of the good knights who are strong and skillful and loyal have already been snatched up by her father and brothers for their own personal guards.

Matsurika Kou is pretty content with her modest rise in position from a low rank palace maid to an official within the inner palace of Hakurou country. One day her boss asks her to take part in a practice marriage interview in place of a co-worker who got sick. During that fateful meeting, the wheels of fate will begin to turn...

On the verge of death, Queen Ophelia wished, "I want to know who killed me." Then, in accordance with an "ancient promise" given only to the owner of the crown, the Fairy King Leah brought her back to life for just ten days! "I died once, so this time, I will do whatever I want." Ophelia's husband, who tried to use her to seize power... Her brother, who is unreliable and tends to be swayed by those around him... A knight of the royal guard who has fallen in love with her... The list of possible culprits is endless. Who killed the queen?! A royal mystery begins in the palace with a strong slap that will clear the queen's name before her death! (Source: Kadokawa, translated)

Julietta, the saint of knowledge, is forced to marry into the Iserta Empire, which is on the brink of defeat, despite knowing she is being removed as a nuisance, due to a 400-year-old promise. Her fiancé, Lukino, is also a young man of commoner origins who has been elevated to the position of emperor. In the worst possible circumstances, the two are touched by each other's kindness, and eventually perform a "miracle" that turns the tide of the war on its head. *"I look forward to working with you, partner."* (Source: Kadokawa, translated)

On her thirteenth birthday, Rian came to Lychee Castle to ask the emperor of the Red Kanade Kingdom to admit her to the imperial court. She had studied hard to become the emperor's favorite consort, but when she finally made it to the audience hall, she was met by Xiao Tsuki, who had just usurped the throne and taken over as the new emperor. What's more, he announces something very surprising: he's going to welcome Rian as the Empress instead of a consort!? This is the beginning of a love story between Rian, who has become the usurper's empress, and the emperor, Xiao Yue, who has taken Rian to be his wife. (Source: Akita Shoten, translated)

Matsurika, a female officer in the Inner Palace, had a little special skill, and that was "a better memory" than others. One day, she accepted a request to become a practice partner for a marriage meeting of a certain son of a distinguished family. However, the one who appeared was the Emperor, Hakuyou, who wanted to try having a marriage meeting?! And interested in Matsurika's special skill, Hakuyou even said, "For now, go and pass the civil exam"...?! A Chinese-style Cinderella story between an emperor and a girl! (Source: Kadokawa, translated)

On her thirteenth birthday, Rian is sent to join the harem of the emperor of Sekisou Kingdom. However, the person receiving her is Akatsuki, who had usurped the throne through "legitimate means" to become the new emperor! Rian is made empress, as she is deemed "suitable," but even though they share a bed, Akatsuki treats her like a child, like a hot water bottle to warm his bed. To help Rian sleep, Akatsuki challenges her with a problem to solve every night!? (Source: Kadokawa, translated)

On the verge of death, Queen Ophelia wished, "I want to know who killed me." Then, in accordance with an "ancient promise" given only to the owner of the crown, the Fairy King Leah brought her back to life for just ten days! "I died once, so this time, I will do whatever I want." Ophelia's husband, who tried to use her to seize power... Her brother, who is unreliable and tends to be swayed by those around him... A knight of the royal guard who has fallen in love with her... The list of possible culprits is endless. Who killed the queen?! A royal mystery begins in the palace with a strong slap that will clear the queen's name before her death! (Source: Kadokawa, translated)

Following the death of her fiancé, the first princess, Lucia, returns to her home country. Upon her return, she finds herself subjected to daily harassment by her younger sisters, who are vying for the throne. However, with the support of Felix, the duke's son, her "royal qualities" begin to blossom...!? (Source: Kadokawa, translated)