Jei Yoo

## Image Gallery

Jei Yoo is the deuteragonist of **"Friendly Competition"**. She is one of the key figures in the Blue String Universe. She is Chaehwa Girls' High School's top and powerful student. The school atmosphere and public opinion tend to go according to her wishes.

## Appearance

Jei is a slightly androgynous young woman with short dark bluesish-purple hair. She mainly wears her school uniform. She looks quite chic and pretty, so in extravagant clothes, she looks like a celebrity.

## Personality

She tends to have a strong desire to possess the person she likes, to the point of obsession. In other words, a yandere. So, she tried to gaslight the person she had chosen, treated Seulgi friendly from the beginning, handed over study materials that she hadn't given to her friends, and continued to keep Seulgi by her side even when Seulgi became suspicious of her and pushed her away.

However, when a person she thinks is her property betrays her, she uses crowd psychology to take revenge on the other person, and has a scary personality. Now that she has met Seulgi, she has developed new values ​​regarding friendship, and her scary personality has become dull.

## Background

She previously attended Chaehwa Elementary School and later entered Chaehwa Girls' High, becoming the school president in her first year.

In the past, she suffered from loneliness because of people who always preyed on her surroundings and approached her pretending to be friendly. Due to this, she shuns away although she does want true friendship.

IN addition, she is traumatized by seeing her own sister commit suicide and having something fall from above her. She's surprisingly good at fighting too. She credits this to having received early training in Hapkido in the past.

## Relationships

**Family**

* Youngsoo Yoo (father)
* Unnamed Mother
* Jaena Yoo (Older Sister)
* Suah Jo (Half-sister)
* Jeyun Yoo (Pet) -

**Allies/Friends -**

* Seulgi Woo -
* Yeri Ju -
* Kyung Choi -
* Beomsu Kim -

**Enemies**

* Woojin Cha (Ex-Fiance) - Ex-fiance and person of hate. Since it was an unwanted relationship, she always tried to break up their marriage, and because she knows Woojin's true nature, she finds him disgusting

**Others**

* Gamin Youn

## Abilities

* **Manipulation** -
* **Fighting Prowess** -
	+ Hapkido -

## Trivia

* Her character is similar to Taeeun Jung, they often exploits other people's hearts. The difference between the two is that she uses her surroundings and psychology to squeeze others to get what she wants, while Taeeun uses blackmail and uses severe violence to get what he wants. One thing they both have in common is their strong possessiveness.
* There are some possiblities that she has romance intention of Seulgi but is not stated and unclear. Considering her possessiveness stems from her lonely childhood.
* She had a puppy named "Jeyun Yoo." She cherished it as her older sister likes dogs.
* She tends to forget things which makes Seulgi suspicious.
* She is the only named and notable character to know how to fight.
* Her phone looks like a Galaxy 8+ while in ep 28, her phone looks like Galaxy S20+.
* She appears in Blue String and Red String:
	+ In ep. 78 of "Doll & I," she and **Jei Yoo** appears as an easter egg.
	+ Her youtube channel appears (easter egg) in the same webtoon as well.

## References

1. ↑ https://www.instagram.com/p/CP-c132r\_di/?img\_index=4