Continuity mistake: When Weol-ju pours the ssanggapju into Ji-hye's shot glass, in the shot of Ji-hye pulling the shot glass toward her, we can see that her right hand is raised above her left hand. But in the next shot, we can see that both of her hands are level with one another. (00:45:55)
Continuity mistake: After Guibanjang asks Yeomradaewang to give him Weol-ju's punishment, it cuts to Weol-ju in the pop-up bar. Yeom is sitting eating with chopsticks in between his fingers, but when it cuts to a wide shot where Weol-ju says "She did, it doesn't end there", the chopsticks between Yeom's fingers are now in the bowl. They are back between his fingers two shots later. (00:54:55)
Continuity mistake: When Won-hyung, in Yeom's body, confronts Ji-hye, in the shot where Won-hyung says "Now that I look like this", he is stroking his chin with his thumb and two fingers. At the end of the shot, his thumb comes off his chin, but the gap between his thumb and chin is very small. It then cuts to an angle behind him, where the gap between his thumb and chin is much bigger. (01:00:25)
Continuity mistake: When Kang-bae is trying to speak with Weol-ju in the pop-up bar, as he says "Guibanjang saved you from the Hell of Extinction", Guibanjang is shown with his hand raised, holding a paper cup in his hand. In the next shot, his hand is suddenly on the counter. (00:04:43)
Continuity mistake: When Kang-bae is talking with Guibanjang on the street, in the shot where Kang-bae says "What? Of course I told her", a woman in an orange coat can be seen a few meters behind Kang-bae in the background walking past. About 3-4 seconds after this, the woman in the orange coat can be seen only just walking past behind Kang-bae, even though she should have been further down the street by this point. (00:06:56)
Continuity mistake: When Yeo-rin is in the department store with her friend, she is holding two jackets. When she says "But he'll look hot in this enough", the blue jacket is raised so that the coat hanger is level with her head, but in the next shot, the jacket is suddenly being held much lower. (00:09:30)
Continuity mistake: When Kang-bae and Yeo-rin are having dinner in the restaurant, in the shot where Kang-bae says "We're here to grab lunch but it feels like a date. Right?" and Yeo-rin replies "Yes", just as the shot ends, outside the window, a white car can be seen driving past. Right as it cuts to the next shot, the car has suddenly vanished. (00:09:55)
Continuity mistake: When Kang-bae and Yeo-rin are walking in the park, in the establishing shot, a man and woman can be seen sitting on a bench. The man has his hand raised above his lap, looking at something in his hand whilst the woman looks with him. The shot cuts to a closer angle of Kang-bae and Yeo-rin, and the couple can still be seen to the left of shot. In this shot, the man suddenly has his hand down on his lap. (00:10:30)
Continuity mistake: While Kang-bae and Yeo-rin are walking along the pathway in the park, a couple can be seen sitting on a bench. Thirty seconds later, the couple have suddenly moved onto the bench, next to the bench they were shown sitting on earlier. (00:10:35 - 00:11:09)
Continuity mistake: When Weol-ju pours Yeo-rin another shot glass of soju, she places the glass bottle on the table and begins to pull her hand away from it. Her hand is still over the table when the shot ends, but in the next shot, her hand is away from the table completely. (00:18:50)
Continuity mistake: When Weol-ju is speaking to Yeo-rin (as the Cinnabar), Weol-ju sits down at the table and tells her being a spiritual object doesn't give her the permission to pop in the Dream World. At this moment, Yeo-rin is holding a pair of chopsticks and has her hand raised above the table. In the next shot, her hand is suddenly resting on the table. (00:21:24)
Continuity mistake: In the flashback of the younger Cinnabar giving Won-hyung a small cloth with tiny rocks, in the shot of Won-hyung taking the cloth, his right hand is positioned so that his palm is above the cloth. It then cuts to a close-up of the cloth, where his hand is now in positioned so that his palm is beneath the cloth. (00:23:20)
Continuity mistake: When Yeo-rin is sitting at the breakfast table, whilst she says "I don't remember anything", her left hand is placed on her head. In the next shot, her left hand is suddenly outstretched and away from her head. (00:30:23)
Audio problem: When Weol-ju and Guibanjang are speaking after meeting up at Ji-hye's memorial, she says "I found out when I went to see Ms Shin. I can't believe this." The shot is on her whilst she says most of this line, and then it cuts to a shot from behind her shoulder where she says the final part of the line. Her mouth cannot be seen moving when the camera is behind her shoulder. (00:35:08)
Continuity mistake: Yeom is watching Yeo-rin in the supermarket talking with a co-worker. When the co-worker runs up to Yeo-rin and starts asking her "You took a half day off, right", behind Yeom in the background, a woman with a beige jacket can be seen looking over some products and is about to pick up a huge box. It then cuts to a closer shot of Yeom, and there appears to have been a jump in time by a few seconds, as the woman in the background is suddenly holding onto the box. (00:44:48)
Continuity mistake: Guibanjang receives a call from Yeomradaewang. When he places the phone to his ear, he has two fingers placed side-by-side, along the side of the phone, around the middle, and another finger placed near the top. In the next shot, his fingers are spread across the side of the phone. Then in the next shot, all the fingers shown holding the phone are nearer to the top of the side. (01:01:33)
Continuity mistake: Guibanjang is walking along a sidewalk on a bridge and sees a man who he thinks about to jump. On the road beside him, on the lane closest to him, a black car can be seen driving past just as the shot ends. When the shot cuts, it is now a grey car. (00:12:41)
Continuity mistake: When Weol-ju is talking with Kang-bae after he brought the customers with problems to the pop-up bar, when Kang-bae says "I thought maybe one of them had a grudge to settle", he is looking at Weol-ju. The next shot, he is looking downwards at the table. (00:14:44)
Continuity mistake: When Weol-ju and Guibanjang are congratulating Kang-bae on his grades, whilst Guibanjang is saying "Have you heard of doppelgangers", he has his hands raised in the air. In the next shot, his hands are suddenly placed on Kang-bae's shoulders. (00:24:14)
Continuity mistake: When Yeo-rin walks into the pop-up bar and sees Weol-ju lying on the floor, when the camera pans down to the floor, for a split-second, a knife can be seen next to Weol-ju. When the shot cuts, the knife has suddenly rotated more to the left. (00:33:12)
