Dos por uno

As a high school senior, Su-Jeong began playing an online game where she met another player nicknamed “Black Dragon.” They unexpectedly got close, developing crushes and planning a meeting in real life… that concluded in humiliation and disaster when “Black Dragon” turned out to be an awkward middle schooler instead of the young man he portrayed himself to be! Sixteen years later, Su-Jeong is a skilled planner at Yongseong Department Store, but her job is about to get a shakeup with the arrival of Ban Ju-Yeon, the ambitious new head of strategic planning and heir to the company. There’s just one problem: Ban Ju-Yeon is actually “Black Dragon,” and Su-Jeong still holds a grudge. Will their past come back to haunt them, or can they find a way to resolve their misunderstandings – and even find love as adults? Based on the webtoon "That Man Is Black Salt Dragon" (그 남자는 흑염룡).

Sui is a plain office girl, who is clumsy, unattractive, and fantasizes about her co-worker, Khun Rangsit. Sui lives with her mother, grandma, and sister, along with Sui's ex-boyfriend, Pong. Even though Pong and Sui do not date anymore, Pong still stays with Sui because he loves her dearly and wants Sui to be happy but she does not realize it. Sui is unhappy about her image and wishes to be someone else. One day, Sui meets an old man in the elevator and through magic her wish gets granted. She can be whoever she wishes to be. It's like a dream come true. Her first wish was to be like Rose, who is a strong working woman and whose lover is Rangsit, a perfect business man by every girls' definition. Sui becomes Rose while Rose become Sui. After some mishaps, Sui realizes that Rose's life is not so perfect after all and does not want to be Rose anymore.

Jun Shirosaki’s love life takes a wild turn when he finds himself caught between the Jinguji twins—his childhood friends who are as different as night and day. Rumi, the older sister, pairs a boyish charm with a maiden’s heart, while Naori combines girlish looks with her deep love for otaku culture. As feelings grow and confusion mounts, Jun must navigate this unexpected love triangle next door.

High school classmates Zhang Yang and Zhou Jing Mang are true polar opposites. While Zhang Yang is brash, a practical joker, often selfish, and sometimes even confrontational, Zhou Jing Mang is naive and overly trusting. As they slowly get to know one another at school, Zhang Yang first begins to play tricks on Zhou Jing Mang in his usual manner, fooling her into making an embarrassing announcement over the school tannoy system. But little by little, they start to develop an attachment to one another – and start to develop a mutual sense of respect. But could this one day lead to love? Meanwhile, classmates Shen Li Hua Feng Wan He, Ling Chen, and more are also embarking on their own journeys of discovery.

Xiang Zhen, Qian Bei Bei, Jin Xiao Ni, Ding Lan Ni, Yu Hui Ni, five different girls meet at the university slowly learn life's complications and learn how to fight for their youth.

The girls in a high school literature club do a little icebreaker to get to know each other: answering the question, "What's one thing you want to do before you die?" One of the girls blurts out, "Sex." Little do they know, the whirlwind unleashed by that word pushes each of these girls, with different backgrounds and personalities, onto their own clumsy, funny, painful, and emotional paths toward adulthood.

The story revolves around Flor (Ana Serradilla), a happy and beautiful woman who knows Valentín (Joaquín Ferreira) a "man's disaster", but even so she likes him as he is, everything was cheerful, fun and lived happy, but due to Valentín's problems, he dies. And in the midst of the loneliness and pain of having lost her husband. Teodoro (Sergio Mur), Ana's friend and who was always in love with her, decides to start conquering her. Everything was fine, "normal, calm and a little boring" as a marriage should be. Until in one night Ana asks for a wish "that her husband returns", until suddenly her wish comes true. And now Ana does not know how to live with the ghost of her late husband and her current husband.

A high school student whose years of not having a girlfriend is his age, Keiki Kiryuu, suddenly receives a love letter. He is happy he can finally have a girlfriend, but is also surprised because not only is there no sender name but also included is white underwear…??? The cute girls who gather around him are all weird and with reasons!? Who is the Cinderella who sent the underwear?

Star Entertainment is the top entertainment agency in China. It was set up by a couple, Cheng Tian Hao and Du Wan Qing, who eventually separated due to differing beliefs in managing the company. Yang Zhen Zhen is an aspiring young girl with a passion for music. She joined Starry Sky Entertainment and was assigned as Zheng Bo Xu's assistant. Bo Xu is a popular idol who is arrogant and unruly. With the help of Zhen Zhen, who helped him correct his flaws and unleash his potential, Bo Xu slowly transforms into a talented singer. In the process, Zhen Zhen also gains experience and becomes a capable idol manager. At the same time, Du Wan Qing is also grooming a singer, Yu Zi Rui, who shapes up to become Bo Xu's biggest competitor yet.

Sarin Mungman or Rin worked for a direct sales company and was recently promoted at work, however the company was sued for fraud. Now she's unemployed and has no money. She meets Ken, a gay crossdresser who also lost his job.

Eun-kyum is a rookie employee in his first year at work. He is diligent. full of charms, and gets along well with others. But because he values looks too much, Eun-kyum has been unsuccessful in love. This changes when his team leader shows up as his ideal type. But Eun-kyum is constantly irritated by Ji-hyuk because he gives him a hard time whenever he gets the chance

“How to Be Thirty” will be a relatable romance centering around the work and love lives of women who have just entered their 30s. The drama follows the story that unfolds when 30-year-old webtoon author Seo Ji Won meets her publisher Lee Seung Yoo, who is also her first love from middle school.