Kang Bit Na is an elite judge with a beautiful appearance, but she is a demon. Her mission as a demon is to kill evil people who lead other people to their deaths and don't reflect on their actions. She sends these people to Hell afterwards. One day, Kang Bit Na meets Han Da On. He has a friendly and gentle personality. As a detective, his mind is sharp and he has a keen sense of observation. But he carries a pain inside that nobody knows about. After Kang Bit Na and Han Da On meet each other, their lives change greatly.

Lee Gun used to be a promising tennis player, but he was injured. After that, he lost all of his self-esteem, and his life completely changed. With the use of a memory eraser, his memory is erased, and he is reborn with maximum self-esteem and presence. His first manipulated love is Kyung Ju Yeon, a psychiatrist at the brain research center. Other people around him include his younger brother Lee Sin, who is ranked the world’s no.1 ranked tennis player. Meanwhile, Jeon Sae Yan is Lee Sin’s translator.

An unpredictable romantic fantasy drama about a 19+ web novel writer, Nam Ja Yeon, who possesses the female protagonist of her own novel, Seo Yeon Seo, and develops a romantic relationship with the male protagonist of her romance novel, Kang Ha Jun. Ja Yeon possesses Seo Yeon Seo but panics when she finds out that the perfect man, Kang Ha Jun in the 19+ web novel, is not her muse, Yeo Ha Jun, but Bok Gyu Hyeon of "No Gain No Love".

Kang Ha Jun is the perfect male protagonist in the novel written by Nam Ja Yeon. Kang Ha Jun is the president of Seo Yeon Seo's company, GB Electric, in the novel. He seems cold-hearted but is endlessly affectionate to the woman he loves. He is the perfect chaebol man who meets Yeon Seo and learns of love. He presents exciting chemistry as he faces her sudden change overnight and their single-minded romance.

Jung Ki Hoon searches for strange supernatural phenomena as an archaeologist, but an unexpected case causes his life to change. He now publishes the occult magazine Monthly Strange Story and runs the YouTube channel Monthly Strange Story. Because of his ex-wife, Lee Soo Jin, he goes to Jinyang County to research "Gwibul" (a Buddhist statue possessed by an evil spirit). There, he faces an incredibly bizarre and fearful phenomenon.

Lee Soo Jin used to decipher letters and symbols as an archaeologist. She was excellent at her work. But, her only child dies, and she then goes to Jinyang County. There, Lee Soo Jin experiences mysterious phenomena, which leads her to search for answers.

Meanwhile, the people of Jinyang County, including police substation chief Han Seok Hee, her son Han Do Kyung, governor Kwon Jong Soo, and trouble maker Kwak Yong Joo face incredibly bizarre phenomena.

An unexpected case leads Lee Yeon back in time to 1938, where he reencounters Ryu Hong Joo. Once a guardian spirit of the mountain in the west, she's now the owner of a high-end restaurant in the capital city of Gyeongseong. He also meets his younger brother Lee Rang. Meanwhile, another former guardian spirit and ex-friend Cheon Moo Young has become hostile. Lee Yeon struggles to return to the present, to his loved one.

The never-ending monsterization crisis. Hyeon Su, consumed by monsters, tries to regain his human self. Nam Sang Won, who entered Pyeon Sang Uk's body, visits the survivors' stadium with a group of people to achieve his goal. And unlike the previous rules, they put forward an unconventional condition to provide convenience to those with symptoms. Stadiums are no longer safe spaces, and people are confused. Meanwhile, Eun Hyeok, who was reborn from the cocoon, appears in a new form... Season 3, which will mark the finale of the desperate struggle of those who are faced with a choice between the border between monsters and humans.

Following the death of his family in an accident, loner Cha Hyun Soo moves to a new apartment. His quiet life is soon disturbed by strange incidents that start occurring in his apartment, and throughout Korea. As people start to turn into monsters, Hyun Soo and the other residents try to survive.

Residents of Green Home Apartments, including Cha Hyun Soo, fight against monsters to leave their base and venture out into the world. At a baseball stadium, survivors from all over begin to live together. They are threatened by the monsters outside and also by the monstrous desires of the people among them.

The story depicts parasites that fall from space and begin to kill to gain their own power by controlling the human brain and body by living off human hosts. The story revolves around Jung Soo In, who is infected with a parasite on her hand and starts a strange cohabitation as it fails to steal her brain.

Seol Kang Woo chases parasitic water to find his missing sister, and Choi Jun Kyung is the team leader of the parasitic life team ‘The Grey’ and lives only to exterminate the parasitic water after losing her husband to the parasitic water.

Set in the future, when the planet suffers from a lack of water and food caused by desertification. Yoon Jae is a soldier for the space agency. He is selected for a team, including Ji An, to travel to the moon. A scientist joins the mission to recover mysterious samples from an abandoned lunar space station, where an accident killed everyone including her sister.

Just Like It's Beautiful Now "Three Bold Siblings" is also similar.
Kim Tae Joo is the eldest of three siblings. She is warm-hearted and tolerant, but she also has a hot temper. She cuts off relationships with people whom she doesn’t like. One day, Kim Tae Joo meets Lee Sang Joon again after many years. They attended the same elementary school.
Lee Sang Joon is a popular actor. He is sensitive, imaginative, and smart. He is also the eldest sibling in his family. Since he was a child, he has been loved by his family deeply. His family was once in debt, but, after Lee Sang Joon became successful, he paid off their debt and continues to support them financially. During filming for an acting project, Lee Sang Joon gets injured and goes to the hospital. There he meets his first love Kim Tae Joo, whom he knew when he was an elementary school student.

Both the ML and FL are same, with Time Travelling. If you like My Happy Ending (2023) I will recommend you watch this Drama.