K-Dramas like The Secret of the Blue Sea

6 shows with a similar feel

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  The Longest Promise (2023)Also sci-fi & fantasy

  From the Kong Sang Continent comes the tale of the tumultuous love story of Princess Zhu Yan of the Chi Yi Tribe and Royal Prince Shi Ying, The framing of the Queen results in the Prince being banished to Jiu Yi Mountain to cultivate. Once solely focused on his tasks, he develops romantic feelings for his disciple Zhu Yan. But their student/teacher relationship prevents either from expressing their true feelings. Fate then works against them when they choose opposing sides in a political struggle of life and death proportions. Eventually, putting aside their issues, they pledge to protect their beloved Kong Sang Continent.

  1 tracking it here
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  Rattan (2021)Also sci-fi & fantasy

  An encounter leads to a lifetime of memories. An ordinary man accidentally wakes the mysterious Si Teng from decades of slumber. In helping her search for her identity, they overcome many obstacles to grow together in love. On a journey to retrace his ancestry, young designer Qin Fang accidentally sets off a contraption that leads to him to a woman named Si Teng who is bewitchingly beautiful and powerful. Confused by the fragmented memories in her mind, Si Teng claims to be Qin Fang's new master and forces him to aid in her plans. Si Teng gradually opens up to Qin Fang and grows to discover the novelty and wonders of living. However, Bai Ying who has became crazed from her obsession becomes a roadblock in their relationship.
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  Filter (2025)Also sci-fi & fantasy

  The "Filter Bracelet" allows Su Chengcheng to transform her appearance and use her new identities to help others. As she navigates these changes, she and Tang Qi work together to develop a unique Chinese beauty brand, promoting "natural, confident, real beauty." Through their journey, Su Chengcheng learns that true beauty lies in authenticity and facing challenges with determination.
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  The Immortal Ascension (2025)Also sci-fi & fantasy

  Han Li, an ordinary, poor boy from a mountain village, joins a small martial arts sect by chance. Despite his mediocre talent, he eventually cultivates himself into an immortal through hard work and careful planning.

  1 tracking it here
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  The Journey of Flower (2015)Also sci-fi & fantasy

  Born under an ominous star with a mysterious scent that attracts demons, a young woman sets out to find a master who can teach her to protect herself from the supernatural forces drawn to her.
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  Affinity (2026)Also sci-fi & fantasy

  In 2051, bioengineering student Wu Nongyu and sociopath Xie Xinxu are drawn together by a mysterious genetic attraction. As their relationship grows, they must confront their pasts and navigate love, trust, and redemption while racing to find a way to break the powerful bond that threatens to control their lives.

  3 tracking it here