K-Dramas like 49 Days with a Merman

12 shows with a similar feel

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  Heaven Official's Blessing (2020)Also sci-fi & fantasy

  Banished to the mortal realm to exorcise ghosts, an eight-century-old deity reckons with a demon and slowly uncovers dark secrets behind the many heavenly gods.

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  The Daily Life of the Immortal King (2020)Also comedy · sci-fi & fantasy

  As a cultivation genius who has achieved a new realm every two years since he was a year old, Wang Ling is a near-invincible existence with prowess far beyond his control. But now that he’s sixteen, he faces his greatest battle yet – Senior High School. With one challenge after another popping up, his plans for a low-key high school life seem further and further away…
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  The Founder of Diabolism (2018)Also sci-fi & fantasy

  A feared outlaw is reborn in another’s body and joins an old rival to unravel ghostly mysteries—and maybe his own past.

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  Hitori No Shita - The Outcast (2016)Also sci-fi & fantasy · comedy

  Zhang Chulan leads a very common college student's life until he finds himself caught up in a terrible incident that happened in a small village. As he was walking through a graveyard, he is assaulted by zombies. Thinking that it was over for him, a mysterious girl carrying a sword suddenly saves him and disappears.
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  To Be Hero (2016)Also comedy

  Our main character, Uncle, is a no-good father with a messy appearance even though he looks nice, and decorates restrooms. He is a divorced, single-dad and lives with his daughter Min, who is good at both studying and sport. One day, Uncle has been sucked into the toilet that he finished using, and becomes a hero to save the Earth! The price is he lost his ikemen appearance and becomes a fat person!! Uncle's battle to protect the Earth and Min has begun…
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  The Golden Eyes (2019)Also sci-fi & fantasy

  An ordinary man working at a pawnshop accidentally encounters an incident that affects his eyes and ignites changes in his life that start him on a tomb-raiding adventure.
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  Reply 1994 (2013)Also comedy

  In 1994, college students were crazy about college basketball, and Korea's hip-hop artists; with students from various countryside areas attending college in Seoul, they mingle together for true friendship, love and lots of fun at a boarding house.

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  Kashimashi - Girl Meets Girl (2006)Also comedy · sci-fi & fantasy

  Hazumu confessed his love to Yasuna, but she turned him down. To ease his heartbreak, he went to Mt. Kashimayama where he had met her for the first time. He loses his way in the mountains, and it starts to get dark. Seeing a big shooting star in the sky, he begins to formulate a wish, but quickly notes that something is very wrong. For the shooting star is actually a space ship about to crash into him. And then he died. Only with the help of the aliens could his live be saved. However, he became a girl, due to an accident during the reconstruction of his body.
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  The Fable (2024)Also comedy

  A legendary hitman trained to become the world's best assassin is asked to lay low for a year by the head of his crime family.
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  Vampire Dormitory (2024)Also sci-fi & fantasy

  After Mito loses her parents and is fired from her job, she must fend for herself on the streets disguised as a boy. She comes across a stranger named Ruka and learns his dark secret—he's a vampire! Ruka invites Mito, still in disguise, to live in an all-boys dorm. Mito exchanges her blood for a place to stay, but a budding romance and her true identity threaten all that hangs in the balance.
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  Blade of the Immortal (2019)Also sci-fi & fantasy

  Manji is a crass, violent samurai with a special ability: he cannot die. Cursed with immortality by the nun Yobikuni as punishment for his ruthless deeds, he has grown weary of his ageless life. The only way to lift the curse is to slay 1,000 evil men. So Manji wanders Japan, shedding the blood of the wicked on his quest to finally die.
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  Girl's High (2006)Also comedy

  Eriko and her friends Yuma and Ayano are excited about entering high school. Their excitement leads to their breaking of the rules when they toured the school before the opening ceremony. They find out their preconceptions about the all female school may not be as true as they had first thought. Despite that, Eriko and her friends are joined by new friends. They aim to get through high school life together.