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Jaehee Kang

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If you haven't played Mystic Messenger completely, you might read something that will reveal to you the complete story of the game. So please pay attention!

Everyone is fairly chatty in the chat room, but we are serious about the organization's party. Hopefully, we can invite many people.

—Jaehee Kang, Comment from RFA Orientation Guidebook


Jaehee Kang is one of the characters available from the Casual Story option in Mystic Messenger, and the only female character with a route. She is the chief secretary in the C&R International company and works as Jumin Han's assistant. She is kind and hard working.


Even though Jaehee is a fairly serious and independent business woman, she is very caring. Jaehee has her own sense of humour 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 (One of the reasons she doesn't like taking care of cats; the one hair she misses while cleaning up after them drives her mad). It's very frustrating to her when things do not go according to schedule or if she is saddled with unexpected extra work. But 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.


Jaehee info

Jaehee is a woman with normal height, 165 cm (5'5"), who weighs 54 kg (119 lbs). She has short brown hair and goldish brown eyes. She wears non-prescription glasses that were given to her by Jumin. She is often seen in a business suit due to her position as Jumin's secretary. She wears a white shirt, a dark brown to black jacket with skirt and shoes and tights. In the after-ending, her hair has grown out long and slightly curled. 

Background Story

Jaehee's mother married a man 20 years older than her, despite her family's wishes. Her father passed away from a disease when she was young leaving her and her mother on their own. When Jaehee was in the 9th grade her mother got in to a car accident and later passed away, leaving her to be raised by her uncle despite his wife's wishes. After graduating from high school, she got a scholarship to a top university from which she graduated a year early. She immediately entered the work force after graduating from college, where she was hired by Jumin Han. Jumin hired her because V proposed the idea of hiring Jaehee to him. She later joined the RFA on Jumin's recommendation.

In Deep Story, Jumin mentions that Jaehee is Catholic, which she later confirms.

Casual Story

In Jaehee's route, Jumin decides to embark on a cat project. She is tasked with most of the research and is in charge of organizing the presentation. During this time, Seven notifies the rest of RFA that the messenger has been hacked. Jumin deploys bodyguards for every member except for the player, as the address to her apartment must remain undisclosed. Jaehee is concerned about Zen when he hurts his leg, and after some convincing from the player, she decides to take care of him. Seven contacts V about the hacker, and V claims that he will solve the situation by some unknown means.

In addition the cat project, Jumin decides to have Jaehee research coffee. Upon learning more about the process of coffee-making, Jaehee becomes more interested in the subject and is very disappointed when Jumin demands her to give up the project in favor of the cat project. The other RFA members are appalled, especially Zen, who is angry that Jumin is making her work more. With some persuasion from Seven and the player, Jaehee secretly investigates more about coffee while Seven makes her presentation.

During the presentation, Jumin is shocked when Jaehee decides to make Longcat the mascot of the cat project instead of Elizabeth 3rd, and, humiliated, he fires her. Jaehee, however, feels free and decides to follow her dream. At the same time, as revenge, Jumin steals one of Seven's cars to vent his anger and lets it crash.

As the hacker situation has yet to be solved, V decides to sort out the problem again. At nighttime, he approaches Jumin to tell him that he has appointed him as the next leader of RFA, since he has terminal liver cancer and may be unable to proceed with duties soon.



Jaehee is Jumin's Chief Secretary, her job involves auditing his schedule and also looking after his cat, Elizabeth 3rd, which tends to drive her crazy. Jaehee isn't happy about everything her job with Jumin has to offer, and gets frustrated with him from time to time. But she is always loyal to her boss. She also refers to him as "Mr. Han", showing their professional relationship.

Although Jumin seems indifferent to her suffering (he believes that as long as he pays her well, she should have no reason to complain about her workload), he entrusts her with work that goes beyond her role as an assistant (eg. taking charge of a presentation). Because the two are together frequently, they know each other quite well, as well as having respect for one another as a team and friends.


Jaehee is a big fan of Zen's works. Despite her formal and serious approach she often fangirls over him and often agrees with him when talking about his handsomeness and compliments him. It is hinted more than once that Jaehee likes Zen as more than a fan or a friend, although she is loath to admit it. This is possibly because Jaehee strongly believes that romantic relationships between actors and fans would be extremely detrimental to the actor's career.


Jaehee trusts V because Jumin, her boss, trusts him. V is the reason why Jumin hired Jaehee at the first place as he recommended her to him. V admires Jaehee for being a hard working woman, and Jaehee refers to V as a role model to her.


Due to her more serious personality and interests, Jaehee doesn't often agree with Yoosung's addiction to video games. However she does often show a more caring side towards him, and tries to encourage him to take his life more seriously. Yoosung brings up at one point that he sometimes sees Jaehee as an older sister looking out for him. In the Christmas special, Yoosung and Jaehee work together for the C&R fundraiser. Jaehee says she is proud of Yoosung for working so hard.


She is often exasperated with 707 because of his endless jokes and pranks, but does not dislike him. She also respects his work abilities. When 707 is trolling someone, she is often the "straight-man" in the conversation. However, at times, Jaehee will sneak a joke into conversations with 707, to which he greatly enjoys.


She is not very familiar with Rika, as Jaehee was the last one to join RFA, but stated that Rika was a nice and kind person.

Elizabeth 3rd

She does not hate Elizabeth 3rd nor cats in general, but doesn't want to be around her because of the cat fur - or she called it "C-Fur" - gets everywhere. Jaehee often mentions how exasperated she is to have to take care of Elizabeth 3rd on such short notices and after-hours. She also finds Jumin's cat projects which often feature Elizabeth 3rd tiring, because they're often unprofitable and require a lot of work she personally has to handle.

The spaceship reveals

Day 1

  • "This collar is quite uncomfortable."

Common Route 01 - Casual Story

  • "What is the definition of work hours? Does it even exist…?
  • "Hair stands up on the back of my neck when Mr. Han passes by."
  • "I would like them to know that I’m not a matchmaker…"
  • "I’m sure all this stress from working late will vanish once I see Zen in uniform."
  • "I can do it. Just one more. Cheer up."
  • "My shoe size is 240."

Common Route 02 - Deep Story

  • "Jalapeno topping… I want to see it again…"
  • "Craving a dark roast pourover coffee today."
  • "Perfectly aligned bedding like a hotel room is a small joy of mine."
  • "The cafeteria’s serving kimchi cheese beef roe fried today. Did they have to list all their ingredients?;;"
  • "I feel like I’ll become C&R’s poltergeist."
  • "Avocado, speedo, tornado, kendo, judo, I want to play judo."

Zen's Route

  • "Do we have four quarters because of the four seasons? I really hate writing quarter reports."
  • "Combo menus are so convenient. Wish they would have that for coffee."
  • "Is my comforting not enough?"
  • "I’m seeing more office couples secretly meeting in the exit staircase."
  • "This magical company card. But all I do is drink coffee."
  • "They probably disposed of Zen’s cast already. Hope no one’s secretly keeping it…"
  • "Mr. Han is actually fairly generous. He gave all the employees resort vouchers."
  • "I heard the other assistants want to call Mr. Han Lord Jumin."
  • "I just purchased a rice ball that’s coffee flavored. Quite exciting."
  • "Don’t ever forget the importance of marketing."
  • "Aside from health, the Black Angel suits Zen very well."
  • "I almost joined a haters forum for Echo Girl… I’ll take this secret to my grave."

Jaehee's Route

  • "I wish Luciel would create a game called Boss Crush…"
  • "I want to drink an einspanner with a bunch of cream on top."
  • "Morning meeting is done, and now I must check Zen’s legs… Oh that’s not it!"
  • "My pants size is getting to me since I haven’t been working out the past few days."
  • "Pursuing your dreams requires enormous courage."
  • "Triangle rice zens for lunch, I mean triangle rice balls!!"
  • "If Zen is in a coffee commercial, I’ll drink it regardless of the taste."
  • "Non-prescription glasses… They were uncomfortable at first but now I’m used to it."
  • "The representative’s warmth was awkward at first, but now I really like it."
  • "I was talking to my friend the other day, and the first thing out of my mouth was Director Jumin Han’s office…"
  • "Should I just throw away my glasses? Or keep them? I should think about it."
  • "I think it was the first time I’ve rebelled against anyone. It didn’t feel so bad."
  • "I feel like I’m proposing. Calm down, deep breaths."
  • "I never believed in the power of words, but I have no choice but to now."

Yoosung's Route

  • "Expect to leave work at 24:03... God...."
  • "The cafeteria's serving... catnip salad?! Is it Mr. Han again?!"
  • "Keep calm and work... Who'd write this? It's got to be Mr. Han."
  • "Shoulder-throw, hip=throw, and of course, the best is Mr. Han-thr..."
  • "I want a thai massage. If only I had the time that is..."
  • "Why are there so many typos today?"
  • "It's dreadful getting off work late, but I like the quiet streets at night."
  • "The sole of my shoes are all worn out. No wonder I kept slipping."
  • "It's a secret that I keep a photo of Zen under my mousepad."
  • "This is so ridiculous it could be on TV… Nothing will seem real now."
  • "I’ve had five cups of coffee. I hope Zen releases an album of lullabies…"
  • "Should I have given Yoosung a wake-up call? Oh, perhaps that’s not my place."
  • "Should I suggest we go on a holiday after the party? I don’t really want to travel with my boss though."

Jumin's Route

  • "Santa, if you exist, please gift me with a 'vacation'."
  • "Someone keeps leaving their snack on my desk. Why is that?"
  • "I think 80% of my blood is caffeine."
  • "One arm shoulder throw, single leg takedown, shoulder wheel, small inner reap reversal..."
  • "I told an employee to refrain from making personal calls during work hours, and she cried... I want to cry..."
  • "The company's blowing up... I mean... the phone line's blowing up."
  • "I must delete all ebooks with the keyword #RomanceWithHeir"
  • "I don't know if I'm working under a boss or a stubborn child."
  • "Does the word moderation exist in Mr. Han's dictionary?"
  • "I don't really like alcohol, but at a time like this I'd like to go drinking with a friend."
  • "Should I go to the company cafeteria today? I heard they're serving spaghetti."
  • "A trip to hot springs or a spa... I can't believe this is my issue right now!"
  • "
  • "

707's Route

  • "Finally home... I have to take a shower.... and check Tripter... but I'm sleepy."
  • "I do not like people who are always late. I wish they'd be more considerate of others."
  • "Hmm? Why do I have a missed call from Yoosung? I was in a meeting."
  • "I should work while listening to the musical numbers Zen sang! Hmmm~"
  • "A rice ball has to be more nutritious than Honey Buddha Chips, right...? Or maybe they're pretty much the same."
  • "I ended up humming without knowing. I hope no one heard. Maybe I should pretend it wasn't me."
  • "Dear God, are you looking the other way right now?"
  • "Mr. Han has no idea that other companies refer to him as the iron mask."
  • "I feel like writing in my diary tonight..."
  • "It's not easy to trust someone and wait."
  • "I wish I were taller. Of course, I won't grow anymore now..."
  • "Sometimes Mr. Han's memory surprises me. He seems indifferent but he remembers everything."
  • "
  • "

Christmas Special 2016

  • "I used to like snow when I was little. But now all I think about is how I'll be going to work."
  • "Santa rides Rudolph... I mean, Santa rides a sleigh. Look at me..."
  • "It's not so bad to spend Christmas being surrounded by so many people."
  • "Organizing the party is hard enough, but cleaning afterwards will take forever..."

April Fool's Special 2017

  • "Who put red ink in my black pen?"
  • "If I hand in my resignation, would Mr. Han consider it a joke? Or actually believe me?"


  • Jaehee really likes coffee.
  • All the RFA members rely on Jaehee for many things, especially Jumin.
    • When the members are sick, it is Jaehee who takes care of them.
  • She has been working under Jumin for over two years.
  • Her phone number is (+82)10-4720-#@ZZ
  • Her email is - if you call her and redirected to her voicemail, she states her email address, and at one point it is in her status.
  • In her business card, her fax number is 02) 2-723-X#OJ.
  • It appears that in the good ending, Jaehee questions her sexuality while getting close to the player.
    • Although Jaehee talks about her friendship between her and the player, she brings up the fact that she was "excited over a girl," and that she was confused.
  • After the Christmas Special 2016, it is revealed that Jaehee is bisexual.
    • Jaehee's original route in the Casual Story is a mere friendship between her and he player. However, in the Christmas Special 2016, Jaehee and the player have romantic feelings for each other. This could mean that Jaehee's original route could be transformed into having a homosexual relationship with the player by the creators of the game.
  • She often takes walks around the park to de-stress herself from work.
  • Jumin says the only women who are by his side are Jaehee, and his cat, Elizabeth the 3rd.
  • Jaehee's procedure in cheering up Jumin whenever he is stressed or upset is complimenting Elizabeth the 3rd. Jaehee states that this is a successful way in lifting up his mood.
  • According to the RFA Orientation Guidebook:
    • Her special talents include judo and copy editing
    • She likes coffee and bento boxes, and dislikes nothing in particular as she eats everything.
    • Her most used apps are the calendar, phone, document viewer, and text.
    • She desires rest, a vacation, and an afternoon off.
    • Her favorite quote is: "Your happiness depends on what makes your soul sing."
    • If she were to end up in a love triangle with her friend, she would give up her love interest for her friend.
    • She has a habit of tapping her forehead with her pen.
    • Her ideal type is a healthy man so that they can live a long life together.
    • If she could have another job, she would have chosen a stable career as a government official.
    • She would like to go to one of Zen's shows for a first date.
    • She does not care for looks, but would like someone who shares the same values as her.
    • She would gift her date something he needs.
    • Yoosung believes Jaehee is the youngest chief assistant at C&R International.
  • She has good vision, but is forced to wear glasses as part of her attire as Jumin's secretary. She keeps her hair short as part of Jumin's demands as his secretary, as well.
    • She has long hair in her earlier draft.
  • Jaehee has a black belt in judo.
  • Jaehee is weak to alcohol, but does seem to like wine.
  • In the Orientation Guidebook's Heart to Heart section, Jaehee is the only person to be relied on if the RFA members stranded in nowhere.
    • As a player, the voice actors of Jumin Han, Zen, and Unknown also choose to play her route since the guys in RFA are all "unique".

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