Continuity mistake: When Manx gets in The Wraith and drives off, the car is parked further from the convenience store than before. This is evident by the store's fuel pumps being considerably closer, and not seen in previous shots of the car.
Welcome to Hotel del Luna - S1-E1
Continuity mistake: When Chan-sung's father realises that he is unconscious on the street, the scene cuts to show his body lying on the ground. His legs change position between shots. (00:22:32)
End. Begin. All the Same. - S1-E1
Continuity mistake: When Rian and Mira are on the Spy glass, he understands she just invited him to Dreamfast. When she answers "Yes! I mean...if you wanted to?" his hair is suddenly all the way behind the sword's handle, when it wasn't in the shot before. (00:09:45)