Longing Heart (2018)

Having married young, when frustration with their lives make Choi Ban-du and Ma Jin-joo regret their marriage of 18 years, a strange occurrence has them traveling back in time to the day before they met and into their younger selves.

In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.

Maddie, a teen stuck in the afterlife investigating her own mysterious disappearance, goes on a crime-solving journey as she adjusts to high school purgatory, but the closer she gets to discovering the truth, the more secrets and lies she uncovers.

When a high-school girl finds that she is merely a character from a comic book whose destiny is decided by the writer, she decides to change the plot to suit her desires and find the love of her life.

Smart, sarcastic and a little dead inside, Wednesday Addams investigates twisted mysteries while making new friends — and foes — at Nevermore Academy.

After meeting an untimely demise in separate incidents, Cha Min and Go Se-yeon discover they’ve come back to life in new bodies they don’t recognize.

After stealing the Tesseract during the events of “Avengers: Endgame,” an alternate version of Loki is brought to the mysterious Time Variance Authority, a bureaucratic organization that exists outside of time and space and monitors the timeline. They give Loki a choice: face being erased from existence due to being a “time variant” or help fix the timeline and stop a greater threat.

18-year-old Kang Gyung-Joon's spirit suddenly becomes transplanted in the body of 30-year-old Seo Yoon Jae. Seo-Yon-Jae is a successful doctor and engaged to high school teacher Gil Da-Ran. Gil Da-Ran just so happens to be the teacher of 18-year old Kang Gyung-Joon. More problems ensue when 30-year-old Seo Yoon Jae falls in love with another woman.

Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These "travelers" assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future.

Scott McCall, a high school student living in the town of Beacon Hills has his life drastically changed when he's bitten by a werewolf, becoming one himself. He must henceforth learn to balance his problematic new identity with his day-to-day teenage life. The following characters are instrumental to his struggle: Stiles, his best friend; Allison, his love interest who comes from a family of werewolf hunters; and Derek, a mysterious werewolf with a dark past. Throughout the series, he strives to keep his loved ones safe while maintaining normal relationships with them.