Manga Doa

Little Shion has a secret: he's the reincarnation of a man from another world who died longing for magic! Hoping that he might at last harness the power of magic in this new world, he finds that magic doesn't exist here either. But when Shion visits a lake with his sister, he witnesses a mysterious phenomenon that seems like the magic he yearns for! If magic does not exist, can he make it himself? (Source: Seven Seas Entertainment)

Faerie-born Jack Flash and her human-born brother, Larry, run a detective agency in New York City specializing in crimes committed in the hazy boundary between the human and faerie realms. They never expected to receive a letter from an ancient magus of the Old World, but Echos, caretaker of dragons, has a task for them. (Source: Seven Seas Entertainment)

After journeying alongside her fiancé on his quest to defeat the Demon King, Romelia is suddenly deemed useless and sent home, her engagement annulled. While the prince and his group return as celebrated heroes, Rome goes home as a disgrace. But she's not the same girl who left her province. While following the adventurers, Rome was the only one without magic or strength but she found her own abilities in trade, negotiation, finances, and gathering information. And now, she plans to use these skills to not only help her family's province, but help the still struggling kingdom. The Demon King may be defeated, but his allies and demons continue to roam. With only her wits and brilliance, Rome will build an army of her own and keep the kingdom safe—no matter what it takes. (Source: Seven Seas Entertainment)

The story covers the formation and origin of Peaky P-key, during their first year of middle school. (Source: D4DJ Wiki)

Frémea is the saint of the kingdom of Justitia, which only comes along once every hundred years. As the kingdom's saint, she has very little freedom, and in the company of her faithful knight, Roland, she heals the people of all the evils that afflicts them. One day, there is a rumor that Fréméa is an usurper. She is then banished from the kingdom. However, a new life full of freedom is now open to her, along with her protector Roland, who is the only one to believe in the young woman. (Source: Mag Garden, translated)