[ENG SUB] School 2017 Press Conference - KIM SEJEONG HIGHLIGHTS

Sejeong & Jung Hyun BTS Moments | School 2017

[ENG SUB] Netflix 'BUSTED' Press Conference - SEJEONG & SEHUN HIGHLIGHTS

[ENG SUB] [School 2017 OST Part 1] GUGUDAN - Believe In This Moment (이순간을 믿을게) [LYRICS]

"옵빵~ 떼졍이 쪼고 먹구시퐁~" 세정이의 애교에 활짝^ㅡ^♥ 잘 먹겠습니다 23회

170724 학교2017 3차 메이킹 ㅣ KBS방송

15-минутная кулинарная битва на время🔥 для Ким Седжон | Chef & My Fridge

[Showbiz Korea] Ji Chang-wook(지창욱), Nam Ji-hyun(남지현) _ Interview

10 MINUTES OF GUGUDAN SEJEONG'S FUNNY MOMENTS

School 2017 | 학교 2017 [Making Film Ver.6-Lovey-dovey NG scenes]

Sejeong singing If I Ain't Got You [COMPILATION]

[풀영상] SEJEONG(세정) '학교2017' 제작발표회 (School 2017, gugudan, 구구단, SF9, RO WOON, 로운, 김정현, 장동윤)

[ENG SUB] Sejeong x Mimi's 'Urban Road' Trip Ep. 1 - Hongik University Street

[Behind the Scenes] Summer giggles and kissing bloopers | Our Beloved Summer [ENG SUB]

170811 학교2017 6차 메이킹 ㅣ KBS방송

Gugudan | Sejeong with boys (EXO, GOT7, Monsta X, JBJ and more)

School 2017 behind the scene 9

William and Bentley Will Stay With Se Jeong(Gugudan) ♥ [The Return of Superman Ep 225]

Meeting “School 2017” stars: Kim Sejeong, Kim Jeonghyeon, etc [Entertainment Weekly / 2017.07.17]

[ENG SUB] Sejeong x Mimi's 'Urban Road' Trip Ep. 2 - Yeonnam Cooking Contest

170825 [학교2017] 8차메이킹 케미폭발 금도고즈 ㅣ KBS방송