Study Group (TV series)
2025 South Korean television series
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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. Based on the webtoon of the same name by Shin Hyung-wook, it is about a boy who wants to study hard to achieve his one goal. It premiered on TVING on January 23, 2025.
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| Study Group | |
|---|---|
Promotional poster | |
| Hangul | 스터디그룹 |
| RR | Seuteodi geurup |
| MR | Sŭt'ŏdi kŭrup |
| Genre | |
| Based on | Study Group by Shin Hyung-wook |
| Written by |
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| Directed by |
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| Starring | |
| Country of origin | South Korea |
| Original language | Korean |
| No. of episodes | 10 |
| Production | |
| Producers | |
| Running time | 42–43 minutes |
| Production company | Ylab Plex[1] |
| Original release | |
| Network | TVING |
| Release | January 23 – February 20, 2025 |
In August 2025, it was renewed for a second season.[4]
Synopsis
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.
Cast and characters
Main
- Hwang Min-hyun as Yoon Ga-min[5]
- Choi Seung-hoon as teen Ga-min
- Jang Sun-yool as young 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[5]
- A temporary teacher at Yusung Technical High School, and is the sturdy backing of the study group.
- Cha Woo-min as Pi Han-wool[5]
- A model second year student at Yusung Technical High School.
- Lee Jong-hyun as Kim Se-hyun[5]
- Shin Seo-woo as young Se-hyun
- Ga-min's classmate who forms a study group together with him.
- Shin Su-hyun as Lee Ji-woo[5]
- Lee Nam-gyeong as young 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[5]
- Ji-woo's best friend who joins the study group.
- Gong Do-yu as Lee Jun[5]
- Song Seung-hwan as teen Jun
- Kang Ji-yong as young Jun
- A self-proclaimed in the study group. He joins the study group as he sees that Ga-min is good at fighting.
- Jeon So-young as Jang Min-hee (Season 2)
- A first year student at Cheongma High School.
- Kim Su-gyeom as Choi Moo-gyu (Season 2)
- A third year student at Yusung Technical High School.
- Kwon Sang-woo as Jeon Young-ha (Season 2)
- Ga-min's uncle, and Mi-hyeon's younger brother, who trained Ga-min with various fighting skills.
- Yoon Hyun-suk as Ji Young-hyun (Season 2)
Supporting
- Hong Min-gi as Park Geon-yeop[6]
- Oh Han-kyul as young 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[7]
- 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
- Jo Yi-hyun as young 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[8]
- A first year student at Yusung Technical High School, and Geon-yeop's associate.
- Joo Yeon-woo as Kim Sun-chul[9]
- 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[10]
- 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[11]
- Park Jun-hyuk as teen Anti
- Cho Yi-an as young Anti
- Former friend of Jun, and currently a part of the Yeonbaek Gang.
- Shim Woo-sung as Na Tae-man[12]
- A detective from the Mooncheon Police Station.
- Mo Geon-hu as Guk Gwan-woo[13]
- 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[14]
- One of the students spreading false rumors about Ga-min.
Special appearances
- Kim Young-ah as Jeon Mi-hyeon[15]
- Ga-min's mother and the director of the Taekwondo Association.
- 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[16]
- The scout in-charge for Yeonbaek Gang.
- Kim Jung-young as Oh Jung-hwa[17]
- Former teacher of Yusung Technical High School, and Geon-yeop's mother.
- Jeon Moo-song as Sun-chul's grandfather[18]
- Yoo In-soo as Choo Jae-hwang[19]
- 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.
Production
Development
Study Group is co-directed by Lee Jang-hoon and Yoo Beom-sang, and written by Eom Seon-ho and Oh Bo-hyun. It is planned by Studio Dragon and produced by Ylab Plex. The series is based on the popular Webtoon of the same name written by Shin Hyung-wook.[1]
On May 12, 2025, a representative from Studio Dragon confirmed to media outlets that the second season was already in the early stages of planning.[20]
Casting
Season 1
On August 10, 2023 Hwang Min-hyun was reportedly cast as stated by his agency, Pledis Entertainment.[21] On September 20, TVING revealed the main 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.[5]
Season 2
In January 2026, Hwang Min-hyun was confirmed to return for season 2.[22] Shin Su-hyun, Yoon Sang-jeong and Gong Do-yu would also return for season 2.[23][24][25]
In addition, Jeon So-young, Kim Su-gyeom and Kwon Sang-woo were reported to join season 2.[26][27][28]
On July 14, 2026, it was confirmed that Yoon Hyun-suk, formerly of boy group CIX, was confirmed to join season 2, and that filming is currently in progress.[29]
Original soundtrack
Part 1
All lyrics are written by Choi Jae-gyu; all music is composed by Lee Kwan-hyung, Choi and Jeon Hae-jeong.
| No. | Title | Artist | Length |
|---|---|---|---|
| 1. | "Back Packer" | Seok Matthew, Park Gun-wook (Zerobaseone) | 2:57 |
| 2. | "Back Packer" (Inst.) | 2:57 | |
| Total length: | 5.14 | ||
Part 2
All tracks are written by Lee Kwan-hyung, Choi Jae-gyu and Jeon Hae-jeong.
| 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 | |
| Total length: | 15:10 | ||
Part 3
All tracks are written by Pyeon Jun-won, Jayde, Groovila, Kim Ha-on, Jeong Jae-hee and Myung Hye-min.
| No. | Title | Artist | Length |
|---|---|---|---|
| 1. | "Hood" | Haon | 3:08 |
| 2. | "Hood" (Inst.) | 3:08 | |
| Total length: | 6:16 | ||
Part 4
All tracks are written by Jo Ho-jin, Im So-young, eio and Choi Jae-gyu.
| No. | Title | Artist | Length |
|---|---|---|---|
| 1. | "Let's do this" | Hanjun, Robin and Eddie (N.SSign) | 2:41 |
| 2. | "Let's do this" (Inst.) | 2:41 | |
| Total length: | 5:22 | ||
Release
Accolades
Awards and nominations
| Award ceremony | Year | Category | Nominee | Result | Ref. |
|---|---|---|---|---|---|
| Baeksang Arts Awards | 2025 | Best New Actor | Cha Woo-min | Nominated | [31] |
| Best Technical Achievement | Jo Dong-hyuk (Stunt) | Nominated | |||
| Global OTT Awards | 2025 | Best OTT Original | Study Group | Nominated | [32] |
