Basics
Character’s full name: Son Dongju
Character’s nickname: Dollie, The Son Doll, Gongju Dongju, Princess, Prince, Your Majesty... Really, just about any royal title works.
Age: 22
Birth date: January 10, 2000
Nationality: Korean
Side: West
The current place for living: West
Job title: Marketing Director "In training," although he has the final say in projects; Assistant stylist and makeup artist. 
Employing company: SonSon; Hanse 
Income: Absolutely substantial.
Relationship status: Single.
Orientation: Questionable but seems to have a male lean.
Languages: Korean. Japanese. Mandarin. Cantonese.
Background: At first glance, he's what most people would expect of a chaebol. His aura just exudes elite and untouchable and it's been that way ever since he was born. For many generations, his family has owned and worked under SonSon, their family company that owns businesses and stocks in many different branches of the corporate world. That being said, Dongju and his twin brother Dongmyeong grew up with not just silver spoons but gold ones. The door was open for them to try any and everything they wanted, leaving Dongju with various levels of knowledge in a number of different fields. Over the years, he's questioned a number of times how he could fit into the corporate side of his family's business, even though he's grown up in it and now sits as the marketing director over their storefront and mall endeavors.

Only people that have to meet with either him or his brother, the current chairman-in-training of SonSon, know what the twins look like, let alone their names. That's how they know it was an inside job when there was an attempted kidnapping of the twins. Dongju had been on his way to meet his brother for dinner. Thankfully, Dongmyeong had a guard with him that evening who was able to stop the assult. Dongju, on the other hand, had a different story. He'd ended up waking bound and gagged in a room he'd never seen before. He was taken to be held for ransom, though he'd also been beaten quite badly. Dongju was saved by chance when someone people kept referring to as the Dragon had arrived. This Dragon had a score to settle with Dongju's captors and, although he was a a gangster himself, he still held rules. One of thsoe rules was to keep innocents out of the equation, and Dongju was undeniably an innocent. Although Dongju had been injured and apparently drugged when they first met, he became unintentional acquaintances with Dragon, eventually evolving into a friendship that neither of them expected. Despite him being in the healing process, he took care of Hanse both out of gratitude and Dongju's innate need and desire to care for others.

Dongju eventually returned home, and to a very warm welcome from his family. He started to make sure he was keeping in touch with Hanse and checking on him when he could. That included him even evading his own guards sometimes to go visit Hanse. It got to a point where Hanse would send guards to bring Dongju to him so he wouldn't have to worry about the other getting hurt. Finding themselves growing fond of and attached to one another, Dongju became Hanse's assistant for things outside of the gang world. Dongju works with Hanse's bodyguard, Subin, on a lot of occasions, feeling as though he's one half of a parent team to make sure Hanse is taking care of himself.

Physical appearance
How old does he/she appear: About his actual age.
Weight: 56kg / 123 lbs.
Height: 173cm / 5'8"
Body build: Slim
Eye color: Brown
Glasses or contacts: Colored lenses often and non-prescription glasses for the fun of it.
Skin tone: Think of warm milk as a skin tone
Distinguishing marks: A handful of beauty marks but most notable one is under his left eye.
Predominant features: Eyes
Hair color: Changes pretty frequently. Currently blond.
Type of hair: Straight
Hairstyle: Currently shoulder-length.
Voice: Typically pretty low, can go lower and even higher when excited. Overall, warm and smooth.
Overall attractiveness: Etheral, if we're being honest.
Physical disabilities: N/A
What’s the style of the character? (modern, outmoded): Modern
Usual fashion of dress: Usually bright-colored clothes. Typically cute and warm kind of attire, such as light blue jeans, overalls, oversized sweaters, oversized hoodies, etc.
Favorite outfit: Anything he can wear with a cardigan, really.
Jewelry or accessories: Likes to wear rings and bracelets, especially woven ones or ones with lots of charms. Loves his nail art.
Piercings: N/A
Tattoos: N/A

Personality
Good personality traits: Responsible. Reliable. Trustworthy. Caring. Compassionate.
Bad personality traits: Surly. Sarcastic. Violently affectionate. Cold to strangers.
Mood character is most often in: Calm and collected.
Sense of humor: Finds a lot more funny than most people think.
Character’s greatest joy in life: Watching a live musical, play or stage show.
Character’s greatest fear: Not being able to protect a loved one.
Why? Out of the many things he's good at, self-defense isn't at the top of the list. Although he'd try even harder to protect someone else, he worries he'll never be strong enough if someone needs him physically.
What single event would most throw this character’s life into complete turmoil? Falling in love.
Character is most at ease when: Singing along to a musical or reciting lines from a script.
Most ill at ease when: His brother is overworking himself. 
Enraged when: Someone purposely upsets him, alias doing things they know he doesn't like.
Depressed or sad when: When he's alone, unless he's sleeping.
Priorities: Food, Family and Friends, and Money
Life philosophy: If not, then whatever.
If granted one wish, it would be: To act on stage, just once.
Why? Acting has always been a dream of his but he finds he's a bit too shy. He ends up being much more comfortable with the design and directing of a show.
Character’s soft spot: His family. Hanse.
Is this soft spot obvious to others? Not at all.
Greatest strength: His poker face. He feels a lot and finds healthy ways to express them so they're never too apparent on his face unless someone knows him well enough.
Greatest vulnerability or weakness: His childlike mindset.
Biggest regret: Isn't sure he has one.
Minor regret: Never trying out for a play or musical while in school.
Biggest accomplishment: Unintentionally becoming something of a famous critic for stage shows and plays.
Minor accomplishment: Running the marketing department without any hiccups at such a young age.
Education: Finished uni with a degree in performance arts.
Intelligent or not? Yes.
Optimist or pessimist? Optimistic.
Introvert or extrovert? Introvert.
Daredevil or cautious? Cautious.
Logical or emotional? Leans more logical.
Disorderly and messy or methodical and neat? Methodical and neat.
Prefers working or relaxing? Actually enjoys working more.
Confident or unsure of himself? Considerably confident.
Animal lover? Yes.

Self Perception
How he feels about himself: Loves himself enough to take pride in himself and his appearance.
One word to describe himself: Playful.
What does the character consider his best personality trait? Playfulness
What does the character consider his worst personality trait? Temper. Clinginess.
What does the character consider his best physical characteristic? Eyes
What does the character consider his worst physical characteristic? Lack of muscle
How does the character think others perceive him: Mean and rude
What would the character most like to change about himself: To maybe not have a RBF but he can't control it.
Self-Confidence: Above average.
How does the character cope with fury and rage? Lashing out but is careful not to hurt others. He tries. Doesn't always work.
… with unhappiness? Drinking.
… with rivalry? Pretends it doesn't exist.
… with new situations? Curiosity.
… with trouble? Concern.
What’s his meaning of life? To take care of his family.
What would he like to change in his life? To be more involved in theatre.
What things motivate the character? Praise and encouragement.
What situations scares the character? Getting lost, especially if he's by himself. Because of the kidnapping, he's also more wary of strangers.
What makes this character happy? Hanging out with Dongmyeong or Hanse.
Is the character often biased? Yes.
Does the character prefer to give or to take? Take. He likes to be spoiled but he gives as much as he takes and sometimes more. 
Is the character rather nice or rude? Nice if he likes you. He can be unintentionally rude.

Goals
Drives and motivations: Family and money.
Immediate goals: To work his way out of the "in-training" status as Marketing Director.
Long term goals: To take on a more important role in the theatre world by maybe directing a stage show, or to at least be the costume and makeup coordinator.
How the character plans to accomplish these goals: Working for the family, he just feels he needs to continue following his gut on the choices he makes. He isn't sure how he could get the chance to direct a stage show.
How other characters will be affected: Not much as far as he's aware.

Past
First memory: Laying on a picnic blanket in the park under a huge tree with his brother and coloring together.
Most important childhood memory: Fifth birthday.
Why: He was taken to see his first stage show.
Childhood hero: His twin
Dream job: Actor
Past failures he would be embarrassed to have people know about: Throwing up on stage during his first audtion in high school.
Why? He's usually very composed but he's never quite worked on his stage fright.
Character’s darkest secret: He stabbed and almost killed one of his bodyguards when he found out they were involved in his kidnapping.
Does anyone else know? Hanse and Subin since they were there.

Favorites
Color: Baby blue.
Least favorite color: N/A
Music: Showtunes.
Food: Buttered noodles. Bingsoo.
Literature: Scripts.
Form of entertainment: Stage shows and movie musicals. Rehearsing lines.
Expressions: If the crown fits, wear it.
Mode of transportation: Chauffeur
Most prized possession: His signed scripts from celebrities.

Habits
Good Habits: Being overprotective of those he gets attached to.
Bad Habits: Practically beating the snot out of those he gets attached to.
Hobbies: Watching musicals and stage plays. Practicing lines from the scripts he collects. Collecting scripts. Photography. Sewing. Fashion design. Collecting stuffed animals.
Plays a musical instrument? Piano.
Plays a sport? Dance counts, right?
How he would spend a rainy day: Dancing around his place singing along to show tunes.
Spending habits: Spends quite a lot on a daily basis, but mostly for other people.
Smokes: No.
Drinks: Pretty much a little every day.
Other drugs: No.
Addictions: Not really.
Is the character healthy or does he have any diseases? Healthy.
What does he do too much of? Possibly swearing and overworking.
What does he do too little of? Giving himself a vacation.
Extremely skilled at: Hair and makeup. Fashion design. Nail design.
Extremely unskilled at: Self-defense.
Nervous tics: Biting his knuckles. Biting his lips until they bleed.
Usual body posture: Proper, unless he's busy clinging to someone.
Mannerisms: Cold and mature to strangers. More childlike around those he cares for.
Peculiarities: He's not fond of bitter flavors and hates when they're given to him. He has to be wearing at least one ring and a bracelet at all times as he fidgets with them. He can get anxious if he doesn't have one to play with.

Family & Relationships with others
Opinion of other people in general: Doesn't really have one. 
Does the character hide his true opinions and emotions from others? Most of the time, yes.
Person character most hates: The bodyguard that assisted with his kidnapping. The bodyguard is still alive and is terrified of Dongju at this point.
Best friend(s): Hanse
Love interest(s): None at the moment?
Person character goes to for advice: Dongmyeong. Hanse. Subin.
Person character feels responsible for or takes care of: His family. Hanse. Subin.
Person character feels shy or awkward around: Subin. The band that Hanse is always around.
Person character openly admires: Hanse.
Person character secretly admires: Dongmyeong. Subin.
Mother:
Relationship with her: Pleasant.
Father:
Relationship with him: Pleasant.
Siblings: Dongmyeong
Relationship with them: Very pleasant.
Spouse: N/A
Relationship with him/her: N/A
Children: N/A
Relationship with them: N/A
Other important family members: N/A
Grandparents: N/A
Grandchildren: N/A
Other relationships with other characters:
Hanse: Dongju actually babies Hanse a lot and is quite overprotective of him, which goes both ways really. He helps Hanse keep up with his schedule with the band and anything that isn't gang related. In the beginning, he felt like he owed Hanse his life and now he's just grateful that he can have Hanse in his life. He's one of the few people that Dongju will go over and beyond for to make sure he's okay and that he wants for nothing, even though Hanse doesn't really need that and Dongju knows that.
Subin: He gets shy and awkward around Subin pretty much all the time unless they're talking about something Hanse-related or, in other words, business related. He's not scared of Subin and actually feels quite drawn to him. He wants to baby him as well but also doesn't want to make Subin upset or uncomfortable.
Hongjoong: Hongjoong is the only member of the band that Dongju really keeps in contact with, as he has to in order to make sure he knows their schedule. He doesn't know Hongjoong very well outside of their work connection but he thinks that Hongjoong seems quite nice. He is also thankful to Hongjoong for always making sure he's included when he gets everyone food and drinks.
[Character 4]
[Character 5]