Music Bank

f(x) won with “4 Walls”, 5,836 points, the song's 2nd win.

1. 1 –
   
   f(x) 4 Walls 5,836 2 wk
2. 2 ▲2
   Im Chang-jung 또 다시 사랑 5,122 Won 1× 7 wk Not in the lineup
3. 3 ▼1
   
   IU 스물셋 4,683 3 wk Not in the lineup
4. 4 ▼1
   
   Taeyeon I (Feat. 버벌진트) 4,290 Won 3× 5 wk Not in the lineup
5. 5 –
   
   IU 푸르던 2,782 3 wk Not in the lineup
6. 6 ▲2
   
   TWICE OOH-AHH하게 2,650 3 wk
7. 7 ▼1
   Zion.T No Make Up 2,573 4 wk Not in the lineup
8. 8 ▲2
   
   iKON 취향저격 2,474 8 wk Not in the lineup
9. 9 ▼2
   
   Cho Kyuhyun 밀리언조각 (A Million Pieces) 2,275 4 wk Not in the lineup
10. 10 New
    
    Brown Eyed Girls 신세계 2,242 1 wk
11. 11 –
    
    Girls' Generation Lion Heart 2,048 Won 4× 12 wk Not in the lineup
12. 12 ▼3
    
    Taeyeon U R 1,756 5 wk Not in the lineup
13. 13 – 개리 바람이나 좀 쐐 (Feat. MIWOO) 1,727 7 wk Not in the lineup
14. 14 ▼2 소유 권정열 어깨 1,710 7 wk Not in the lineup
15. 15 ▼1
    
    GFriend 오늘부터 우리는 (Me Gustas Tu) 1,578 13 wk Not in the lineup
16. 16 ▲
    
    BTOB 집으로 가는 길 1,500 3 wk Not in the lineup
17. 17 ▲3
    
    Kim Junsu 꼭 어제 1,410 3 wk Not in the lineup
18. 18 –
    
    Ailee 너나 잘해 1,340 6 wk Not in the lineup
19. 19 –
    
    Red Velvet Dumb Dumb 1,315 9 wk Not in the lineup
20. 20 New
    
    Cho Kyuhyun 멀어지던 날 (The day we felt the distance) 1,302 1 wk Not in the lineup

Source: program.kbs.co.kr chart post.