Study Group TV Series (2025) – Watch Online, Release Date, Cast, Episodes, Story, Platform, Trailer, Poster, Review

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Study Group TV Series Details

Original title	스터디그룹
Also known as	Seuteodigeurup, Sŭt’ŏdigŭrup
Based on	Study Group by Shin Hyung-wook
Country	South Korea
Language	Korean
Genres	Coming-of-age Action, Comedy
Season	1
Episodes	10
Release date	January 23 – February 20, 2025
Aired On	Thursday
Running time	50min
Age rating	18+
Starring	Hwang Min-hyun, Han Ji-eun, Cha Woo-min, Lee Jong-hyun, Shin Su-hyun, Yoon Sang-jeong, Gong Do-yu
Directed by	Lee Jang-hun, Yoo Beom-sang
Written by	Um Sun-ho, Oh Bo-hyun
Produced by	Lee Hye-young, Lee Myung-jin, Suh Jung-hyun
Production Company	Ylab Plex
Original Network	TVING

Cast & Characters

Main

Hwang Min-hyun as Yoon Ga-min, A first-year student at Yusung Technical High School who is excellent at fighting, and has a passion for studying but frequently returns with bad grades. He forms a study group in the school with the target of entering university.
Han Ji-eun as Lee Han-kyung, A temporary teacher at Yusung Technical High School, and is the sturdy backing of the study group.
Cha Woo-min as Pi Han-wool, A model second year student at Yusung Technical High School.
Lee Jong-hyun as Kim Se-hyun, Ga-min’s classmate who forms a study group together with him.
Shin Su-hyun as Lee Ji-woo, A first-year student at Yusung Technical High School, and is Hyun-woo’s twin elder sister. She is part of the study group.
Yoon Sang-jeong as Choi Hee-won, Ji-woo’s best friend who joins the study group.
Gong Do-yu as Lee Jun, A self-proclaimed in the study group. He joins the study group as he sees that Ga-min is good at fighting.

Supporting

Hong Min-gi as Park Geon-yeop, A first year student at Yusung Technical High School, who struggles to find the murderer of his mother.
Baek Seo-hoo as Ma Min-hwan, A second year student at Yusung Technical High School, and the closest associate of Han-wool. He is part of the Yeonbaek Gang Quartet.
Park Yoon-ho as Lee Hyun-woo, A first year student at Yusung Technical High School, Ga-min’s classmate and Ji-woo’s twin younger brother.
Lee Kwang-hee as Jung Do-hoon, A first year student at Yusung Technical High School, and Geon-yeop’s associate.
Joo Yeon-woo as Kim Sun-chul, A third year student at Yusung Technical High School, and the leader of the Yeonseo Three Chuls, who serve as the top bodyguards of Han-wool. He has a desire for studying, but went on the wrong path due to circumstances.
Kwon Hyung-seok as Lee Dae-chul, A third year student at Yusung Technical High School, and one of the Yeonseo Three Chuls.
Han Jung-hun as Park Min-chul, A third year student at Yusung Technical High School, and one of the Yeonseo Three Chuls.
Lim Ji-sub as Anti, Former friend of Jun, and currently a part of the Yeonbaek Gang.
Shim Woo-sung as Na Tae-man, A detective from the Mooncheon Police Station.
Mo Geon-hu as Guk Gwan-woo, A first year student at Heukchang High School, who is part of the Yeonbaek Gang’s main force.
Seo Dong-gyu as a first year student at Yusung Technical High School
One of the students spreading false rumors about Ga-min.

Special appearances

Kim Young-ah as Jeon Mi-hyeon, Ga-min’s mother.
Kim Young-woong as Se-Hyun’s father
Lee Jong-hyuk as Pi Yeon-baek, Han-wool’s father who is the boss of the Yeonbaek Gang.
Jung Jae-sung as the vice principal of Yusung Technical High School
Kim Min as Oh Jang-ho, The scout in charge of Yeonbaek Gang.
Kim Jung-young as Oh Jung-hwa, a Former teacher at Yusung Technical High School, and Geon-yeop’s mother.
Jeon Moo-song as Sun-chul’s grandfather
Yoo In-soo as Choo Jae-hwang, A second-year student at Yusung Technical High School, and a part of the Yeonbaek Gang Quartet.
Park Min as Bang Sang-in, A second year student at Yusung Technical High School, and a part of the Yeonbaek Gang Quartet.

Storyline

Study Group tells the story of Yoon Ga-min, who is only talented in fighting, trying to study hard to achieve his goal of entering university by forming a study group in the notorious Yusung Technical High School.

About Study Group TV Series

Study Group (Korean: 스터디그룹) is a South Korean television series co-written by Eom Seon-ho and Oh Bo-hyun, directed by Lee Jang-hoon and Yoo Beom-sang, and starring Hwang Min-hyun, Han Ji-eun, Cha Woo-min, Lee Jong-hyun, Shin Su-hyun, Yoon Sang-jeong, and Gong Do-yu.

The series is based on the popular Webtoon of the same name written by Shin Hyung-wook.

It is planned by Studio Dragon and produced by Ylab Plex.

On August 10, 2023, Hwang Min-hyun was reportedly cast as stated by his agency, Pledis Entertainment. On September 20, TVING revealed the lead cast which included Hwang Min-hyun, Han Ji-eun, Cha Woo-min, Lee Jong-hyun, Shin Su-hyun, Yoon Sang-jeong, and Gong Do-yu.

Release Date

Study Group premiered on TVING on January 23, 2025, with two episodes released every Thursday for five weeks.

Soundtracks

Part 1

No.	Title	Artist	Length
1	Back Packer	Seok Matthew, Park Gun-wook (Zerobaseone)	2:57
2	Back Packer (Inst.)		2:57

Part 2

No.	Title	Artist	Length
1	Hollo (홀로)	Bang Ye-dam	3:46
2	Hollo (홀로; Inst.)		3:46
3	Hollo (홀로; Drama version)	Bang Ye-dam	4:09
4	Hollo (홀로; Drama version; Inst.)		4:09

Part 3

No.	Title	Artist	Length
1	Hood	Haon	3:08
2	Hood (Inst.)		3:08

Part 4

No.	Title	Artist	Length
1	Let’s do this	Hanjun, Robin, Eddie (N.SSign)	2:41
2	Let’s do this (Inst.)		2:41

Study Group Episodes

Episode	Title	Air Date	Plot
S1.E1	Study Group	Wed, Jan 22, 2025	Low-ranking Ga-min starts a study group at Yusung Technical High School. Top student Kim Se-Hyun resists joining. When bullies beat up Se-Hyun, Ga-min uses his hidden fighting skills to stop them.
S1.E2	The School Inspector	Thu, Jan 23, 2025	Ga-min faces off against Lee Hyun-woo, the school bully, and attracts attention. Meanwhile, a scholar arrives at school, and chaos ensues when the school tries to hide its real problems.
S1.E3	A New Member	Thu, Jan 30, 2025	Someone applies to the study group. Ga-min is excited, but it turns out to be Ji U, Hyeon U’s twin sister. Kyu Jin, a student council member, picks on Ji U, and Ga-min confronts him.
S1.E4	Teach Me How To Fight	Thu, Jan 30, 2025	Lee Jun wants to join the group but is more interested in fighting than studying. Ga-min challenges him, but a scout from the Yeon Baek gang mistakes Jun for Ga-min and takes him away.
S1.E5	A Real Loser	Thu, Feb 6, 2025	The study group is complete, but top student Kim Ho-min challenges them. He humiliates Se-hyun, who gets into trouble, but Ga-min helps him. However, Se-hyun must face Ho-min alone.
S1.E6	Ga Min’s Transfer	Thu, Feb 6, 2025	Ga-min’s mother tries to transfer him, but his teacher and the study group stop her. Meanwhile, Yeon Baek gang members arrive, putting everything in danger.
S1.E7	Kim Sun Chul Going To Prison	Thu, Feb 13, 2025	Ga-min meets Kim Soon-cheol, a bodyguard involved with the Yeon Baek gang. Later, a murder happens, and Soon-cheol is the prime suspect.
S1.E8	Midterm Exam	Thu, Feb 13, 2025	The study group infiltrates a Yeon Baek gang meeting to help Soon-cheol. They must improve their grades to make their dreams a reality. Can they pass their exams and stop the gang’s plan?
S1.E9	School Violence Committee	Thu, Feb 20, 2025	The Student Council Committee summons Han Wul, revealing his past. He spreads fake news to frame the study group as a school gang. Han Kyeong must decide how to protect her students.
S1.E10	The Last Fight	Thu, Feb 20, 2025	The study group learns about Han Wul’s past and his obsession with the school gang. Meanwhile, Han Kyeong tries to persuade the Vice Principal for support but ends up in danger.