Even though Jaehee is a fairly serious and independent business woman, she cares deeply for her friends. Jaehee has her own dry sense of humor and knows how to have a good chuckle at herself and others. That being said, she likes things to be organized and kept in line. It's very frustrating to her when things do not go according to schedule or if she is saddled with unexpected extra work. For this reason, she is frequently frustrated with her boss, Jumin, who enjoys giving her endless chores such as forcing her to babysit his cat. Ever the responsible one, she always comes through and deals the best she can despite the challenges her boss (and friend) Jumin always throws at her both in work and personal life. She is an extremely capable person and has a black belt in judo.

She is one of Zen's biggest fans, which sometimes causes her to humorously break her calm and serious demeanor. In his route, she berates the protagonist for ruining his image, but later apologizes and whole-heartedly owns up to her mistakes.

In her route, Jaehee forms a close bond with both the protagonist and later Zen, who help her to better advocate for herself against Jumin's ridiculous demands. Ultimately, she quits, and she and the protagonist decide to open up a coffee shop together. While never explicitly stated (likely due to censorship), it is heavily implied that they have romantic feelings for one another and are hinted to be engaged in the DLCs.

Voice Quality: Medium-pitched. Serious, but able to portray a dry sense of humor. Occasionally breaks character to gush about her interests.

Voice Reference: https://www.youtube.com/watch?v=yfbrIqTD1rA