Sakurai Mikoto

Adela, a marquis's daughter, who has endured her fiancé Leonard's neglectful behavior for years. He always prioritizes his stepsister, taking her on dates, and constantly choosing her over Adela. Despite her attempts to bear with the situation, she finally reaches her limit when she catches Leonard kissing his stepsister and discovers that the pair are plotting to take over the marquisate. Heartbroken but resolute, Adela decides to fight back. She enlists the help of Leonard's cold, calculating older brother, Terence, and sets a meticulous plan in motion—not just to break off the engagement, but to ensure that Leonard and his stepsister can be together, while making them lose everything else in the process. (Art Lapsa) Kodansha-Comic Pixiv-Comic

Noelia, the daughter of a duke, is falsely accused and her engagement is annulled, and she is to be married off to the king of a neighboring country. Noelia was meant to become the neighboring country's "figurehead queen"... But then, suddenly, a man kidnaps her. He seems to know Noelia, but with no memory of her past, Noelia has no idea who he is. Even so, when she sees him, she feels so sad she wants to cry... A love story between a crown prince who was supposed to have been wiped out and a young lady who has lost her memory! (Source: Kodansha, translated)

The daughter of a minor noble, Amelia hails from a remote agricultural domain. From an early age, she has been engaged to Reese, who can provide the earth magic her domain needs. Though it was only meant to be a political marriage, they got along well—until recently. Since Reese began attending the Royal Academy of Magic, he's become oddly distant and stopped contacting Amelia. Now that it's time for Amelia to enroll too, she hopes to find some answers but she still can't get ahold of Reese, and it's tough to make friends among the upper-class students at the academy. Can anyone help her through this disheartening experience? A dashing prince, perhaps...?Source: J-Novel Club, Vol. 1Original Web Novel

It's been six months since she became a working adult. Pressured by work daily, she has even lost the energy to find fun. One day, Yui is summoned to another world! She is summoned by Jade, a mage of the Tine Kingdom, which is under invasion by a demon tribe, and he asks her to do something for him. He asks her to "seduce the demon tribe" as the guardian of the Tine Kingdom!

In a quiet village far from the royal capital, Lane hears the news: Her former fiancé—the man who left her five years ago—is marrying the Saintess tomorrow. She thought she'd moved on. Her heart should be fine. But then she learns he wants to invite their childhood friends... and her. Unable to refuse the royal summons, Lane travels to the capital to attend the wedding. What she doesn't expect is to meet someone entirely new—someone who sees her as more than the shadow of the past. And so begins a gentle yet powerful tale of healing, fate, and a love that was meant to be.Original Web Novel: Kakyomu, Syosetu

Chloe, the daughter of the Marquess of Merdikal, is the ornamental fiancée of Kirif, the second prince of the Adanani Kingdom, which has a strong male-dominated society. However, in shock when Kiriff breaks off the engagement, Chloe remembers her memories of her previous life as office worker Misa Tachibana! Chloe, who has decided to leave everything behind and live freely, sets off in search of freedom with Erich, who has quit his position as a knight of the Kingsguard to take advantage of the commotion, as her partner!

Her fiancé, who is infatuated with the daughter who claims to be the reincarnation of a saint, tells her that he is breaking off the engagement. Duchess Sarah, exhausted by her relationship with her fiancé, accepts. Her furious parents sent her to a convent, but she was relieved to finally be able to live a quiet life. Just when she thought that peaceful days would return, her ex-fiancé appeared at the monastery and apologized to her. There is no way they will ever get back together, even if he says so now!

When her fiancé, the crown prince, finds a new saint, Saint Mira is branded a "fake saint," exiled, and their engagement is broken off. Surprised by this sudden turn of events, Mira asks the swordsman Raul, whom she met at the adventurer's guild, to escort her and begins her journey back to her homeland. During her journey, Mira discovers a previously unknown strength in her own magic. Furthermore, by deepening her bond with the swordsman, she unleashes her extraordinary "saintly powers"?! Meanwhile, troubles arise one after another in the royal capital from which Mira was exiled...Original Web Novel