Friendly Rivalry

2025-02-10 · Woo Seul-gi grew up in an orphanage out in a province. She moves to Seoul and enrolls in Chaehwa High School, which is a school for the top 1% students in South Korea. Woo Seul-gi doesn’t get along with the other students. A student named Yoo Je-i approaches her and they become friends. Yoo Ja-i is the most powerful student in the school. She has a high IQ, comes from a wealthy family background, and is attractive physically. She has lived as the envy of other people since she was born and she is aware of her superiority. She is also cunning enough to know how to take advantage of her position. She shows special interest in transfer student Woo Seul-gi. They soon develop a dangerous relationship between friendship and obsession.

S01 E01 · 2025-02-10 · 28 min

Episode 1

After living in a orphanage, Woo Seul-gi transfers to a top-ranking school hoping to find her father - and soon catches the eye of a popular student.

S01 E02 · 2025-02-11 · 31 min

Episode 2

Facing a heartbreaking discovery, Seul-gi struggles to adjust to her demanding schoolwork, while her background makes her a target of bullyng.

S01 E03 · 2025-02-12 · 32 min

Episode 3

Yu Je-i continues to show kindness towards Seul-gi and invites her to her private study space, drawing the two girls closer together.

S01 E04 · 2025-02-13 · 28 min

Episode 4

A furious Choi Gyung becomes suspicious when Je-i nominates Seul-gi as class monitor. Ju Ye-ri overhears a conversation about Je-i's former seatmate.

S01 E05 · 2025-02-17 · 26 min

Episode 5

While Seul-gi finds details of her family history on Je-i's phone, Choi Gyung looks into the connection between the two girls'past.

S01 E06 · 2025-02-18 · 28 min

Episode 6

Students take drastic measures to beat the stress of midterms. Choi Gyung shares a discovery with Seul-gi, causing them to question Je-i's intentions.

S01 E07 · 2025-02-19 · 28 min

Episode 7

Ye-ri makes a deal with Je-i's father, Yu Tae-jun, by using his secret against him. Seul-gi worries about a healt checkup following her exams.

S01 E08 · 2025-02-20 · 33 min

Episode 8

Ye-ri steals Seul-gi's father's phone. As she tries to unlock it, the rest of the students head to the school festival.

S01 E09 · 2025-02-24 · 33 min

Episode 9

An attack at the festival causes panic at the school. Je-i comes to face with a figure from her past as they fight over the stolen cellphone.

S01 E10 · 2025-02-25 · 32 min

Episode 10

As the police investigate the school's drug problem, Seul-gi comes under suspicion. Je-i makes a deal while seeking to help Seul-gi.

S01 E11 · 2025-02-26 · 32 min

Episode 11

Struggling to find Yu Je-na, Je-i decides to frame her for dealing, hoping the police will be able to locate her before their father does.

S01 E12 · 2025-02-27 · 28 min

Episode 12

A traumatic discovery leaves Je-i in a vulnerable state. Feeling uncertain over the situation, a suspicious Seul-gi looks for answers.

S01 E13 · 2025-03-03 · 33 min

Episode 13

While attending a funeral, Seul-gi suspects foul play. Her search foe evidence leads to a grim connection between her father and Tae-jun.

S01 E14 · 2025-03-04 · 24 min

Episode 14

With the help of Seul-gi, Je-i uses hidden cameras to spy on her parents, hoping to find a witness who can assist with the court case.

S01 E15 · 2025-03-05 · 27 min

Episode 15

Je-i and Seul-gi take drastic steps when their ranks slide after a big test. Byeong-jin pressures Choi Gyung into taking pills to maintain her grades.

S01 E16 · 2025-03-06 · 39 min

Episode 16

Leading up to the exam, Je-i and Seul-gi craft a final, defiant plan - but there are high risks for everyone involved.