Biography
Oh Hye-seo was originally in the Management Department of the SJD company. She was "bullied" by the soft-spoken and kind-hearted Team Leader Im. Team Leader Im was eventually fired and Oh Hye-seo transferred to the Sales Development Department. She grew close to Kim Yeon after her transfer. When Seo Eun-hyun gave out tasks, Oh Hye-seo would take on the difficult jobs, leaving easier ones for Kim Yeon. Hye-seo would point out non-existent mistakes in Kim Yeon's documents, prompting her to change it.
After a company dinner, Oh Hye-seo was stalking Seo Eun-hyun. A drunk Kim Yeon noticed her and followed them. Hye-seo concealed herself, leading to Eun-hyun believing Kim Yeon had been stalking him. He left Kim Yeon at a motel. While Kim Yeon was asleep, Oh Hye-seo counted her teeth and measured her toenails.
Plot History
In the 15th Cycle, it was revealed that she was on Seo Hweol's side. The author considers Oh Hye-seo's personality a tamer version of Seo Hweol's. On Earth, her personality was known by Kang Min-hee; Kim Yeon knew something was off and the rest of the colleagues did not sense anything wrong with her.
In the 19th Cycle, a conversation with Seo Hweol revealed that Oh Hye-seo knows everything about her colleagues. In the 20th cycle, it was revealed that she and Seo Hweol, weakened by their meeting with a Reaper of the Netherworld, needed to work together to survive, eventually leading to their marriage.
Relationships
Seo Hweol
Her husband and master. They are allies who work together to survive, sharing a similar twisted personality.
Relatives
- Seo Hye (Soul fragment)
- Oh Hyun-seok (Non-blood-related uncle)
Masters
- Seo Hweol
- Great Mountain Supreme Deity (Former)
Prowess
Trivia
- Oh Hye-seo is an Ender.
- She counts Kim Yeon's teeth and measures her toenails while she sleeps.
- Oh Hye-seo's personality is considered a tamer version of Seo Hweol's.