

A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
Mystery, Drama • Series • 2025 • 1 season
Starring: Lee Hye-ri, Chung Su-bin, Kang Hye-won
Created by: Song Chae-yun

S1 E1 - 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.
Feb 10, 2025 • 30m

S1 E2 - Episode 2
Facing a heartbreaking discovery, Seul-gi struggles to adjust to her demanding schoolwork, while her background makes her a target of bullyng.
Feb 11, 2025 • 30m

S1 E3 - 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.
Feb 12, 2025 • 30m

S1 E4 - 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.
Feb 13, 2025 • 30m

S1 E5 - 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.
Feb 17, 2025 • 30m

S1 E6 - 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.
Feb 18, 2025 • 30m

S1 E7 - 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.
Feb 19, 2025 • 30m

S1 E8 - 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.
Feb 20, 2025 • 30m

S1 E9 - 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.
Feb 24, 2025 • 30m

S1 E10 - 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.
Feb 25, 2025 • 30m

S1 E11 - 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.
Feb 26, 2025 • 30m

S1 E12 - Episode 12
A traumatic discovery leaves Je-i in a vulnerable state. Feeling uncertain over the situation, a suspicious Seul-gi looks for answers.
Feb 27, 2025 • 30m

S1 E13 - 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.
Mar 3, 2025 • 30m

S1 E14 - 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.
Mar 4, 2025 • 30m

S1 E15 - 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.
Mar 5, 2025 • 30m

S1 E16 - 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.
Mar 6, 2025 • 30m
Friendly Rivalry
A high-teen mystery thriller about a close relationship between teenage girls in a harsher survival competition than entrance examinations.
Mystery, Drama • TV Series • 2025