K-Dramas like Tomb of the Sea

12 shows with a similar feel

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  Strange Tales of Tang Dynasty (2022)Also mystery · drama · action & adventure

  General Lu Lingfeng and Detective Su Wuming uncover supernatural mysteries and hidden conspiracies threatening the empire during Emperor Xuanzong’s reign.

  2 tracking it here
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  Love Between Lines (2026)Also drama · mystery

  Xiao Zhiyu and Hu Xiu are brought together by a Republic of China-themed murder mystery game. In the scripted NPC game filled with falling snow and spies in the shadows, the two ignite a fateful spark. An unexpected reunion in the real world reveals the mystery of each other's identities. The two shuttle between the misaligned time-spaces of reality and the script, and finally achieve two-way growth in the cross-dimensional bond, completing the transformation of love and self.

  3 tracking it here
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  Fangs of Fortune (2024)Also drama · mystery

  During the Zhenyuan era, the accidental death of the Bai Ze goddess, who governed both human and demon realms, leads to chaos as demon beasts run rampant. Disguised as Zhao Yuanzhou, the demon leader Zhu Yan offers to form a demon-hunting bureau to help restore order. Wen Xiao, suspicious of Zhao Yuanzhou, joins the bureau along with her childhood friend Zhuo Yichen, skilled archer Pei Sijing, and the talented but timid doctor Bai Jiu. Together, they confront the creatures from "The Classic of Mountains and Seas" and uncover the darker truths behind the chaos.

  3 tracking it here
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  Four Hands, Two Sonatas (2026)Also drama

  When two young pianists from completely different worlds meet at an elite music high school, the melodies of their lives become intimately intertwined.

  10 tracking it here
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  Last One Standing (2019)Also mystery

  Luo Ran has been investigating the death of his wife with his best friend Ning Yu. They end up getting onto a train headed for C City in order to chase female suspect Jiang Xue. The train suddenly derails mid-journey, and the hundred or so survivors find themselves transported to a ruined city with no living soul in sight, cut off from the rest of the world. The city is filled with dangers on all sides and supplies are dwindling. The survivors start dying off or disappearing one by one—a brutal game of survival begins.
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  Who Saw the Peacock Dance in the Jungle? (2025)Also drama · mystery

  After her ex-cop father is murdered on Christmas Eve, Komugi finds a letter hinting at a dark conspiracy and teams up with a lawyer to uncover the truth.
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  Conspiracy of Love (2019)Also drama

  A story of love and hate follows a woman who intentionally gets close to a man for the sake of revenge. She approaches him to further her goal without realizing that he is also a calculating man with his own agenda. Xu Shu Bei lost both her parents at a young age in a car accident. In order to exact revenge, she treads every step carefully and is willing to use everything at her disposal to get close to her target. In the process, she enters into a complicated relationship with ShengShi Group successor Sheng Yun, fuerdai Shang Ming, and the Xia family's daughter Xia Yin Wa. Xu Shu Bei and Sheng Yun fall for each other, but they are scared to reveal their true feelings. As Xu Shu Bei is trapped by her emotions and her memories, she discovers a chilling secret surrounding memory implants.
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  Somali and the Forest Spirit (2020)Also action & adventure · drama

  The world is ruled by spirits, goblins, and all manner of strange creatures. Human beings are persecuted, to the very point of extinction. One day, a golem and a lone human girl meet. This is a record of the pair, one a member of a ruined race, the other a watchman of the forest. It tells of their travels together and of the bond between father and daughter.
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  Deca-Dence (2020)Also drama · action & adventure

  Many years have passed since humanity was driven to the brink of extinction by the sudden emergence of the unknown life forms Gadoll. Those humans that survived now dwell in a 3000m-high mobile fortress Deca-dence built to protect themselves from the Gadoll threat. Denizens of Deca-dence fall into two categories: Gears, warriors who fight the Gadoll daily, and Tankers, those without the skills to fight. One day, Natsume, a Tanker girl who dreams of becoming a Gear meets surly Kaburagi, an armor repairman of Deca-dence. This chance meeting between the seemingly two opposites, the girl with a positive attitude who never gives up on her dreams and the realist who has given up on his, will eventually shake the future course of this world.
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  Babylon (2019)Also action & adventure · mystery

  Zen Seizaki is a prosecutor with the Tokyo District Public Prosecutors' Office. While investigating illegal acts by a certain pharmaceutical company, Seizaki stumbles upon a page stained with a mixture of blood, hair and skin, along with the letter "F" scribbled all across the sheet. As he investigates further, the case goes beyond Zen's imagination and becomes vastly complex, challenging his sense of justice and his knowledge of the truth. Digging deeper into the investigation, Zen begins to uncover a concealed plot behind the ongoing mayoral election and ties to many people of interest involved in the election and those closer than he thinks. The case grows more severe and propels Zen into an unforeseen hurricane of corruption and deceit behind the election, the establishment of the Shiniki district, and the mysterious woman associated with it all.
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  Racket Boys (2021)Also drama

  A city kid is brought to the countryside by his father's new coaching gig: reviving a ragtag middle school badminton team on the brink of extinction.

  3 tracking it here
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  Pegasus Market (2019)Also drama

  Employees at a struggling mart embrace their roles as kings, defying the customer-centric norms. The manager strives to revive the store, battling against a ruthless boss determined to ruin it.