My Dearest Nemesis

Su-jeong, 19, has been living a hectic life, taking care of her deceased mothers belongings. She meets her first love, Black Flame Dragon, in a game she started by chance. However, her first love, which was full of excitement, ends up being the darkest part of her life... 16 years later, Su-jeong, who has become the team leader of Yongseong Department Store, meets the newly appointed head of the headquarters, Ju-yeon.

A large-scale renewal project for Yongseong Department Store is underway, led by Joo-yeon. Joo-yeon and Soo-jeong grow closer as they work together. Joo-yeons heart also opens up as Soo-jeong begins to understand him. But something happens that disappoints Joo-yeon in Soo-jeong.

Ha-jin witnesses Su-jeong and Ju-yeon together. They must be separated before they realize each others identity. Ha-jins sabotage operation even involves Shin-won! Ju-yeon misunderstands that Su-jeong is interested in Shin-won...

Juyeon doesnt hide his feelings for Sujeong. However, Sujeong rejects him due to the younger man trauma. Then Juyeon is about to get caught by Hyoseon.

Strawberry and Black Flame Dragon meet again. As past wounds resurface, the conflict between Soo-jeong and Joo-yeon deepens. It seems like this is the end... but to make matters worse, a scandal breaks out between the two.

Soo-jeong, who lived alone, shouldering everything in order to be recognized and not be ignored. Joo-yeon, who wanted to be loved by her grandmother even while hiding herself. Can the two of them release their respective seals and be together?