what is the longest running tv series in history

Summer, a rural girl who grew up in a backward countryside, faced harsh treatment from her parents, who made her drop out of school to work and support her younger brother. When the time came for her brother to get married, Summer's parents planned to marry her off to an old bachelor in the village for $100,000. At the same time, Summer's best friend Megan was locked up by her parents, who intended to marry her off to an idiot. Determined to escape, Summer and Megan fled to Rosetown, where they vowed to establish their independence. Through hard work, Summer gradually climbed the social ladder, and one day, a misunderstanding led her to cross paths with Jason, the wealthiest man in Rosetown. Thus, an unexpected romance that would change everything began.

Summer, a rural girl who grew up in a backward countryside, faced harsh treatment from her parents, who made her drop out of school to work and support her younger brother. When the time came for her brother to get married, Summer's parents planned to marry her off to an old bachelor in the village for $100,000. At the same time, Summer's best friend Megan was locked up by her parents, who intended to marry her off to an idiot. Determined to escape, Summer and Megan fled to Rosetown, where they vowed to establish their independence. Through hard work, Summer gradually climbed the social ladder, and one day, a misunderstanding led her to cross paths with Jason, the wealthiest man in Rosetown. Thus, an unexpected romance that would change everything began.

On the day of Valeria Castle's engagement, her mother, Marilyn Castle, arrives at the banquet disguised as a cleaner, only to face humiliation from the Hardy family. A wealthy woman fights her over a parking spot, her future mother-in-law enforces strict household rules, and her fiancé demands an outrageous betrothal gift. But Marilyn soon reveals her true identity. Wayne Cuddy, Aaron Shaw, and Basil Brady step in with a billion-dollar dowry, instantly turning the tide. From that moment on, she proves her strength time and again, expertly resolving the crisis at Price Corp. In the end, as foreign capital threatens their empire, she takes Valeria abroad—ready for the next battle.

On the day of Valeria Castle's engagement, her mother, Marilyn Castle, arrives at the banquet disguised as a cleaner, only to face humiliation from the Hardy family. A wealthy woman fights her over a parking spot, her future mother-in-law enforces strict household rules, and her fiancé demands an outrageous betrothal gift. But Marilyn soon reveals her true identity. Wayne Cuddy, Aaron Shaw, and Basil Brady step in with a billion-dollar dowry, instantly turning the tide. From that moment on, she proves her strength time and again, expertly resolving the crisis at Price Corp. In the end, as foreign capital threatens their empire, she takes Valeria abroad—ready for the next battle.

Sue went missing in her childhood but was later brought back by her biological parents to the Spears family, where she was bullied to death by the family's adopted daughter, Ruby. After being reborn, Sue used her memories from her past life to accumulate wealth by buying property and gold, winning a competition with her original songs, and successfully creating a short video platform. Subsequently, she fought back against the Spears family's malicious targeting, exposing Ruby's schemes, and severed ties with the Spears family, leaving them filled with regret.

After serving the country with distinction, Rosanne Ashford learns the powerful Todd family has harmed her daughter Daisie Larson. Returning home for justice, she finds her husband Alvin Larson engaged to Veronica Todd. In a fury, Rosanne disrupts the engagement party, blacklists the Todd family, and successfully rescues Daisie. Further investigation reveals the Todd family were merely puppets of Ronald Locke, the Prince of the North. To protect both family and country, Rosanne must engage in a fierce battle with Ronald...

Layla Nott has been infatuated with Seth Upton since she was a teenager and even willingly gives him her vast inheritance to help him build Upton Group, transforming the Upton family into one of the most prominent families in Yeldon. However, ever since she married into the Upton family, her health has deteriorated. One day, after a visit for medical treatment, she returns home to find Seth fooling around with her stepsister, Sharon Black. Septh's mother, Susan Upton, is at home and clearly condones the affair. After being humiliated by Sharon and Susan, Layla is left shaken by Seth's confession—he has only ever been interested in her wealth and has never loved her. He has even purchased a massive life insurance policy on her and is now waiting for her death to cash in on the payout. Heartbroken by the revelation, Layla feels her life is pathetic. Impatient for her demise, Seth takes her to the rooftop and pushes her off. As she plunges to her death, Layla swears that if she were given another chance, she would exact her revenge and make sure they pay for their betrayal.

Wen Li wakes up inside a novel and discovers she's the story's doomed side character. On her wedding day, the male lead, Gu Yanzhi, abandons her for his true love, turning her into a joke. Later, he abuses her to help his lover rise in status, even pushing her to suicide. But this time, Wen Li decides to change her fate. She marries Gu Yanzhi's younger uncle instead and becomes their aunt, ready to teach them both a lesson. Meanwhile, Song Xuening, the capital's famed miracle doctor, claims to heal the incurable—until Wen Li revives someone she couldn't save. When Wen Li's true identity is revealed, Song Xuening's reputation crumbles.

600 years ago, Prince Gyeom of the Joseon Dynasty was falsely accused of treason and threw himself into a lake. When he opens his eyes again… he wakes up in a bathroom in Seoul, 600 years later?! Suhyeon, the homeowner and a tough, TV PD, is stunned by the unexpected guest from the past. But faced with her suddenly doubled rent, she strikes a deal with Gyeom live together and make money as partners. And so begins a love that not even time itself can stand in the way.

When Sophie Reed empties her every resource into a spirit summoning ritual, the universe sends her Leo Hayes,  a cheerful young man in catastrophically loud floral shorts. The crowd loses it. Lowest-grade Contract Spirit in history, they say. What nobody knows is that Leo carries the Menace System, a power that feeds on breaking rules, shattering expectations, and generally refusing to behave. The more absurd, the more impossible, the more wrong he is by every known standard,  the stronger he becomes. He slaps the original summoner clean out of the picture, casually evolves into the Divine-grade Contract Spirit World Heartthrob, and grins at a world full of rules he was apparently born to demolish.

Eight years ago, Sabrina lost her boyfriend in a car accident. Shortly after, their newborn child was mistakenly declared dead by her father. Determined to keep the bar that witnessed their love, Sabrina poured her heart into running it. Now, eight years later, she meets a man who looks exactly like her deceased boyfriend. Despite their different personalities, both fall for Sabrina. Could he be her ex-boyfriend's twin brother? Was this encounter destined by fate? What will happen next?

Evelyn, heartbroken by her boyfriend's infidelity, drowned her sorrows in alcohol and unexpectedly had a one-night stand with renowned pilot Grayson. Afterward, fate kept them apart. Evelyn forgot what Grayson looked like, but Grayson fell head over heels for her at first sight. He found her lost employee badge and sent his assistant to track her down. Unfortunately, the assistant made a mistake—Evelyn's coworker Katie claimed the badge and impersonated her, sparking a series of misunderstandings and conflicts between Evelyn and Grayson. Finally, heartbroken and disillusioned, Evelyn accepts her friend Liam's proposal for a fake marriage to comfort her ailing grandmother. Just then, Grayson returns and publicly steals the bride...‍

Julian Hall, a billionaire with a strict no-office-romance rule, found himself breaking his own code when he fell for his new secretary, Iselin Wenton. Summoning all his courage, he confessed his feelings, only to be rejected and sent packing. Determined to win her over, Julian enlisted the help of his young son, Charlie, as his secret wingman. What Julian didn't realize was that Charlie was actually the son he unknowingly shared with Iselin. Unwavering in their loyalty, Charlie and his sister, Bonnie, sided with their mom. But the clever siblings had a plan of their own—they decided to play matchmakers and bring their parents back together. After a series of unexpected twists and hilarious turns, the two little agents succeeded in reuniting their family and giving Julian and Iselin a second chance at love!

I accidentally awakened the beast recognized by the entire academy as the “weakest SSS-rank in history” — a soft, squishy, bouncy Slime.While this harmless, derpy little creature was mocked by all of humanity as utterly useless, and everyone looked down on me with scorn, the long-silent system in my mind suddenly lit up with world-ending warnings. That was the moment my comeback began.

After graduating from a top university, Willa Lloyd founded her own company. But the Stanton Group crushed her business until it was on the brink of bankruptcy. To save everything she built, Willa got dragged into a series of ridiculous run-ins with the Stanton family…

Dr. Finn Zale, a history PhD, accidentally falls during a field study and wakes up as an orphan in a remote village amid chaotic times. To survive, he sets aside his pen, takes up a hoe, and relies on his farming knowledge. Just when he resigns himself to a quiet life, he awakens a special system—using it, he gains allies, joins the military, and rises from humble farmer to legendary overlord!

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.

Nancy Grant, a stressed-out office worker, accidentally enters a melodramatic novel as the naive heiress.Raised in the countryside, she's uneducated and often annoys her family and fiancé. With a system task to increase their hatred towards her, she acts clumsily.However, a system glitch exposes her thoughts, leading to a series of unexpected stories. Eventually, everyone changes their views on her, and she completes the opposite task with double the reward!