Seven First Kisses

While walking is a dark alleyway, Soo Jin is pulled by Ji Chang Wook, who is looking for the flash memory. He apologizes for getting her involved, but suddenly, a gun is raised to his head by a gang member, who claims that Chang Wook is a traitor and is actually a secret agent. Soo Jin is shocked to hear that she is also a secret agent. When the gang members attack them, Soo Jin helps Chang Wook and they escape to the safe house. There, Soo Jin treats Chang Wook's gunshot wound and asks him why he is doing this job. He tells her that it is his duty to protect and that he was her team leader at the agency back then. He also tells her that he fired her because he has feelings for her. He tries to leave but she follows him and asks him not to, and before he kisses her, she is back in time. (Source: MyDramaList)

Soo Jin meets Park Hae Jin, her manager at work. He is angry at Soo Jin for using her phone at work and confiscates it. He then asks her to meet him after work. When she goes, Hae Jin asks her if she has anything scheduled after work or a boyfriend, which she answers as neither. He then asks her to overwork with him, but they only eat dinner. Hae Jin leaves and Soo Jin tries to clean the office but finds photos of her. Those same pictures were in an envelope placed in her locker. Soo Jin is now scared and tried to run away. Someone starts following her and she suddenly meets a creepy perverted man in the elevator. He tells her that he was the one who took her pictures and starts stripping while taking her pictures. Hae Jin saves her and tells her he was watching over her after finding the photos. He then asks her to be his girlfriend. However, before they kiss, she is back in time. Her old boss then delivers an envelope to her. (Source: MyDramaList)