

Yu-Jin was murdered by her husband Chan-Yeong and his mistress Na Ju-Hui. Shortly after, her sister Yu-Ri is also killed and finds herself back in time before Yujin and Chan-Yeong's wedding. Determined to take revenge for her sister, Yu-Ri decides to marry Chan-Yeong. Just then, her first love Tae-O reappears before her.

Reborn one day before her wedding, Zora makes a life-changing decision—she swaps fiancés with her sweet, timid sister! In her past life, Zora married a gentle tech mogul, but her fiery temper made their marriage miserable, and they divorced after just one year.Meanwhile, her innocent sister was forced to marry into New York’s most powerful mafia family, the Kane family, only to be tormented by her husband’s ruthless childhood sweetheart until she died of depression.This time, Zora steps into the abyss to protect her sister—and use the mafia family’s power to get revenge.

To save her dying grandmother, Hannah agrees to pose as her twin sister for three years, enduring a loveless marriage, her husband's cruelty to her, and obsession with his first love. When the deal finally ends and she walks away with the money she deserved, the man who once discarded her realizes too late what he's lost.

Elowen Vesper, the adopted daughter of the Vesper wolf clan, discovers at her 18th Awakening Ceremony that her fated mate is none other than her brother Rhydian. From that moment, she is consumed by uncontrollable sexual fantasies about him. Torn between the taboo of blood and the hunger of the flesh, the false heiress spirals into shame and desire. But what she doesn't know—Rhydian has long uncovered the truth that they share no blood, and he is quietly weaving a web to trap her by his side, forever.

"On the eve of our wedding, Evelyn Gates fell to her death. Everyone believed that, since I had always been devoted to her, I would take my own life to follow her. However, I didn’t shed a single tear. Three years later, I saw her again. Not only was she alive, but she had no memory of the past. “So you’re my ex-fiancé? After all these years, why do you look so broke and shabby now? For old time’s sake, I’ll give you one day a week to wait on me.” I didn’t even bother to look her in the eye. Evelyn had no idea that, on the very night she fell, I received a video recording. She didn’t know that, during the three years she spent pretending to have amnesia while traveling the world with Cole Anderson, I had gotten married. My bride was her older sister."

In need of 500,000 dollars for medical treatment, Francis Locke tears down a high-reward fertility ad. Through a series of mishaps, he ends up flash-marrying Lianne Devaney, a wealthy heiress being pressured into arranged dates. Using his decisive methods, Francis helps Lianne resolve her troubles while getting pulled into even greater crises. As they cooperate to survive, their feelings gradually heat up.

Katherine has long been neglected by her boyfriend, Jasper. While Jasper insists that Kimberly is merely like a "younger sister" to him, he constantly crosses boundaries with her. Over time, Katherine transforms from a submissive, long-suffering partner to someone who is entirely clear-headed and disillusioned. Meanwhile, Jonathan, an aloof and reserved top surgeon, has secretly harbored feelings for Katherine for a long time. At Kimberly's birthday party, Katherine finally breaks up with Jasper once and for all. Soon after, an unexpected night brings Katherine and Jonathan together. When Katherine’s toxic family tries to force her into a transactional marriage for their own financial benefit, she completely cuts ties with the Robinson family. Far from looking down on her family background, lost status, or rock-bottom situation, Jonathan makes his feelings explicitly clear: "The only one I like is you." Realizing what he has truly lost, Jasper is consumed by regret—but it is already too late. Jonathan publicly protects Katherine and completely overpowers Jasper. In the end, Katherine publicly announces her relationship with Jonathan, achieving her ultimate emotional comeback.

After my elder sister lost her sanity, her engagement with the Crawfords was passed on to me. I joyfully married my long-time sweetheart, only to spend the wedding night alone. Because of this, I became the laughingstock of the capital. Later on, I uncovered my sister’s secret, so she ran me over with her car and dumped my body in the woods. When I opened my eyes again, I realized I had returned to the day when the engagement was swapped. William Crawford cradled my deranged sister in his arms and kissed her fingers affectionately. “No matter what happens to you, you’ll always be my love, Whitney.” This time, I turned and agreed to the marriage proposal of Jonathan Gray, the infamous tycoon with a violent temper and who’s rumored to be impotent. While he asked for my hand in marriage, William cried for me to return to his side.

Katie Devin and her sister are about to marry into the Nott family. The older sister, Eliza Devin, an ambitious CEO, is promised to the cold,domineering head of the family, while Katie is paired with the younger son, a popular movie star. On their wedding night, a chaotic mix-up throws everything into confusion. With no other choice, the sisters swap their marriage contracts—turning a twist of fate into a perfect match seemingly made by destiny.