One day, Aiko's husband, Kento, suddenly disappeared. Years later, he's resurfaced, but he looks like a completely different person. Aiko loves her husband and loves her career. Everything is going so well, she tells the whole world on her social media account. She believed that she would get her happily ever after. However, one day, another "Aiko" appears before her. Aiko Takasugi is a fan of hers, but she aims to sneak her way into the cracks of Kento's heart. Suspicious accidents start to occur around "Aiko," but what is she really after? The bond between husband and wife is about to be tested, by this devil's little game!! (Source: MangaPlaza)

Yukari Fuyuno thirty years old, hard-working, and career oriented. She has a reputation at work for being a perfect person with good looks and work ethic, but she's troubled with the fact that she tends to conform to other's expectations to not disappoint them. She has been dating Wada, her boyfriend of 5 years, and was on the verge of getting married until one day out of the blue, he dumps her and says he has a new girlfriend. Down in the dumps, Yukari heads to a restaurant and witnesses some love troubles between two workers. On her way home, she sees the same man that was caught in the tiff earlier. Yukari unexpectedly starts a conversation with him and finds out his name is Ayato. He believes he has no substance, and to hide that, he tries to be nice to everyone, but that just gets him in trouble. Yukari, still worried about Ayato, tells him about a bathhouse since he's still covered in soup that the girl dumped on him. After cleaning himself up, Yukari realizes just how good-looking Ayato is, and understands why he's so popular with the ladies. Yukari also realizes they have a common problem: they both want people to see the real them, and it's the inside that counts! Yukari then proposes that they work together to help improve one another...! https://www.cmoa.jp/title/308862/

In the novel Princess of the Black Rose, the wicked Esther finds pleasure in tormenting her younger sibling, the protagonist. However, this depiction couldn't be further from the truth. Esther, as the (current) world knows her, is an upright and kind individual. Due to her ability to heal, she is well-liked and admired among the citizens. Her younger sister Mytia, however, could not be more envious. During the evening of her engagement party, Esther catches Mytia secretly meeting with her fiance Daniel. An infuriated Mytia lunges towards Esther, and the next moment, Esther discovers that her Ability has been stolen! As if thrust back into the events of the novel, Esther can no longer heal. And her engagement? Annulled. Weary of her younger sister's cruelty and her parents' now cold demeanor towards her, she seeks the comfort of Adele, her dearest friend, In an attempt to cheer Esther up, Adele suggests that she join her and her family on a trip to the neighboring country. However, before Esther can reply to her friend...she falls victim to her sister's scheme and is placed in a mental asylum. Sometime later, when Esther has all but resigned herself to a miserable life in confinement, Adele's family dispatches a messenger, providing her a chance at escape. But as soon as she makes it out, she receives the heart-wrenching news of Adele's passing. Spurred on by her dear friend's dying wish for her to find happiness, Esther now assumes her late friend's identity, vowing to bring justice to Mytia. Along the way, she meets the royal family's second son Prince Sirius. Esther...may soon realize that her new life might not go as planned. [Original Manga](https://www.cmoa.jp/title/285113/)

After her mother passed, Lucia was left with a family who had barely a care in the world for her. Her only value to her father and stepmother was that the second prince had chosen to marry her. But all it took for her to lose him too was a little temptation from her younger sister Nina. Not only has Nina been revealed to be with child, but the prince now wishes to wed her instead! When Lucia is about to lose all hope, she meets the kingdom's rumored archduke... (Source: Manga Plaza)

Minaho and Yuichi have been married for five years, and in this time, she has been putting up with her husband's verbal harassment. One day Minaho falls ill. Despite this, Yuichi continues to berate her, and instead of worrying about her when she collapses and is rushed to the hospital in an ambulance, he swears at her. At this point, Minaho's patience has run thin, and she consults her male friend, Nanao, for advice. He tells her that she is too kind, and if she doesn't fight back, she'll be treated like a slave for the rest of her life. He then teaches her the secret to fighting in a marriage. Will Minaho be able to get out of the messy doldrums and be happy? (Source: MangaPlaza)

Pregnant and stuck at home with her emotionally abusive husband and self-serving in-laws, Sekka tried to grin and bear it by holding onto the hope that he would change once the baby came. Then she finds out he's been cheating...and while she's still reeling from that news, he deliberately sets her beloved pet cockatiel loose, which finally pushes her past the breaking point. Unable to stand by and watch her suffer anymore, her twin sister Rikka makes an offer: "I'll take your place and get revenge on your husband!" (Source: Manga Plaza)

Aria, a duchess, is cursed after taking a magic blow to the face to defend her fiancé. The curse leaves her with a hideous mark on her face. Moreover, her fiancé, the crown prince Leo, calls her a monster, breaks off the engagement, and banishes her from the royal city. Aria is depressed by the heartless words of her beloved. However, one day, a mysterious wizard, Lucien, offers her a helping hand. He says he will lift the curse in exchange for a large sum of money. But Lucien seems to have other intentions as well...? https://www.cmoa.jp/title/291173/

An ordinary female nerd wakes up one day to find that she has been reincarnated as Hildegard, the villainess in her favorite romance novel. Having admired Hildegard's way of life in her previous life, she decides to live true to villainess storyline. She even has the devastating desire to seek her own execution! But she finds it difficult being an aristocratic villain, seeing as though she is a mere geek, failing every day at her attempts at villainy. Will she be the perfect villainess and be executed successfully? https://www.cmoa.jp/title/288574/

A collection of stories about first loves. Saki is a shy and socially awkward virgin who dreams of finding her prince charming. The only person who has ever fit her idealized image is her little brother, Ryo! Frustrated by his sister's wild fantasies, Ryo introduces her to his handsome friend. However, a love triangle soon ensues!

Elizabeth has been called the daughter of the fallen since the disappearance of her father, the patriarch of her family. But what’s this?! In order to restore her family’s fortunes, she takes over her father’s detective agency! She assigns Will, her father’s butler, to be her assistant detective, and she now calls herself the Lady Detective, who solves every case with elegance! Now, Elizabeth, the Lady Detective, and Will, the detective assistant, are ready to solve all kinds of cases in the capital city! Love and lust lurk behind every incident… Now begins an exquisite mystery with our key detectives! *Source: MangaPlaza*

Mami is in the seventh year of her marriage with Haruki, and three years ago, she gave birth to their son Harunosuke. She thought they had a happy future ahead of them. But boy was she wrong..! Present day. She's fed up with her husband's lack of manners at home. Cutting the cheese during meals, walking around their home naked, you name it! She's worried about him being a bad influence on their son, not that he cares. In fact, her nagging only brings him stress. One day, when doing the laundry, something falls from Haruki's pants' pocket... A love hotel membership card, with recent dates written on it, no less...! Haruki better watch out, because Mami is out for revenge!

Asuka had always dreamed of a romantic proposal, but when the time came, all she got from her live-in boyfriend of seven years, Yuta, was a casual "How about we get married?" over dinner at their local bar. He didn't even put down his phone or look her in the eyes! She goes off on him (in her mind) but then reminds herself to be realistic and accepts his proposal. As the wedding approaches, she finds an open box of condoms while cleaning one day... and notices that only one is left, even though she can't remember using any of them with Yuta. That's all the proof she needs: the bastard is cheating on her!! (Source: MangaPlaza)