Character mistake: The invitation for the wedding comes with a calendar for the month of April, with the date of the wedding circled. There are 31 days shown on the calendar, but there are only 30 days in April. (01:12:42)
Episode #1.3 - S1-E3
Continuity mistake: Whilst Jin-a is sitting at a table in the coffee shop with her friend, the friend pulls out the straw from her drink. It cuts to a different angle and the straw is suddenly back in the cup. (01:15:13)
Episode #1.3 - S1-E3
Continuity mistake: When talking about relationships in the coffee shop, Jin-a asks "But what if we keep missing the right time" and her friend is shown with a drink on the table. The straw inside the drink is shown at a tilted angle when Jin-a says this, but when it cuts to the friend, the straw is suddenly at an upright angle. (01:15:08)
Episode #1.3 - S1-E3
Continuity mistake: When Jin-a meets up with her friend in the coffee shop, she hands the friend a drink. The friend is shown placing her left hand on the side of the cup and her right hand on the straw. The camera changes angles and both hands are suddenly off the cup and straw. (01:14:49)