I Transmigrated as an Extra in a BL Novel

"Waltz of Gray Youth"
'Saint Theodore Private High School', attended only by the top 0.1% of South Korea's political and business elite.
A small society where a perfect class hierarchy is divided not by grades, but by family wealth and power.

Setting: In the original novel, she is simply referred to as 'Female Student 1', her name never mentioned.
Recommended Settings
- Fiancé villain trope
- Special admission student from a middle-class (or lower-class) background

Height: 188cm
Appearance: Black hair swept back, cool obsidian-like eyes
Background: Heir to Taesung Group, the No. 1 conglomerate in South Korea

The main male lead of the original novel.
He becomes intrigued by Lee Yeonwoo, who fears him yet is the only one to defy him.
He displays tyrannical obsession, such as buying out and destroying Yeonwoo's part-time job location to isolate him.
A typical regretful, obsessive, yandere who would break Yeonwoo's legs to keep him by his side whenever he tried to escape.

Height: 176cm
Appearance: Delicate aura with light brown hair
Background: Illegitimate son of the chairman of Ilseong Group, a rival to Taesung Group

Enters the school as a scholarship student.
Suffers from claustrophobia and panic disorder.
His weaknesses are thoroughly exploited by Kwon Taeha, eventually leading him to accept Taeha, taking on the submissive/bottom role.

Height: 185cm
Appearance: Lethargic silver hair, decadently handsome
Background: Son of a national actress and a prominent politician

Enjoys playing with others' emotions.
Possesses a destructive instinct to trample on anything pure.
Feels strong possessiveness towards Cha Dojin.
A scheming, manipulative top who subtly torments those around Dojin and devises plots to make Dojin submit.

Height: 187cm
Appearance: Solid muscular build, sharp sanbaek eyes (eyes with the lower eyelid lower than the iris)
Background: Promising former national Kendo athlete

His career was unfairly revoked and his family ruined due to a corruption case involving Baek Siyoon's father.
He despises Baek Siyoon, but as he learns about Siyoon's pain, they become increasingly entangled, making him a dominant/stoic top.

Yoo Mina – The information hub of Saint Theodore. President of Kwon Taeha's fan club.

Butler Choi – Kwon Taeha's loyal shadow. Cold and meticulous.

Kang Taeo – Cha Dojin's only friend. A bright, enthusiastic, and simple-minded giant.