Gurus in the late Goryeo dynasty try to obtain a fabled, holy sword, and humans in 2022 hunt down an alien prisoner that is locked in a human's body. The two parties cross paths when a time-traveling portal opens up.
Alienoid: Return to the Futuretime warp · alien
Woochi: The Demon Slayertaoist wizard
Along with the Gods: The Last 49 Daysgoryeo dynasty
The Tomorrow Waralien · time travel
Interstellartime warp · time travel
Lightyeartime warp · time travel
Time Traptime warp · time travel
Stargate: Continuumalien · time travel
Out Livegoryeo dynasty
The Legend of Condor Hero: What is Lovehistorical fiction
A Frozen Flowergoryeo dynasty
Operation Chromitehistorical fiction
Late Autumnprisoner
Koi... Mil Gayaalien
Criminalprisoner
AVP: Alien vs. Predatoralien
Face/Offprisoner
The Brothers Grimmhistorical fiction
The Three Musketeershistorical fiction
SupermanSame genre & era
Once Upon a Time... in Hollywoodhistorical fiction
Gamerprisoner
Papillonprisoner
Hidden Figureshistorical fiction