(Sorry it took me so long to reupload this video, it was taken down previously due to copyright issue. I will upload part 5 after a while~)
***Please do not remove label***
Thanks to EVERYONE! Part 4 is here!!! Many were discovered by fans, I give all the credit to them~~~ Hope you guys enjoyed it!!

Drama name list:
40. The Rich Son (The Rich Family Son) 富家公子 - 부잣집 아들
41. My ID is Gangnam Beauty (Gangnam Beauty) 我的ID是江南美人 - ‎내 아이디는 강남미인
42. Two Cops - 투깝스
43. Rich Man 富貴男/多金社長小資女 - 리치맨
44. Should We Kiss First? 要先接吻嗎？ - 키스 먼저 할까요?
45. Sunny Again Tomorrow (Tomorrow is Sunny too) 明日也晴朗 - 내일도 맑음
46. Jang Bo-ri Is Here! 我係張寶利 - 왔다! 장보리
47. Age of Youth 2 (Hello, My Twenties! 2) 青春時代2 - 청춘시대2
48. 20th Century Boy and Girl (Children of the 20th Century) 20世紀少男少女 - 20세기 소년소녀
49. Meloholic 愛情中毒 - 멜로홀릭
50. Secret Queen Makers 女神締造者 - 퀸카메이커
51. The Miracle We Met 我們遇見的奇蹟 - ‎우리가 만난 기적
52. Where Stars Land 狐狸新娘星 - 여우각시별
53. The Third Charm 第3種魅力 - 제3의 매력

- BGM -
1) 0:00, 05:56, 08:05, 10:51 - Growl (EXO)
Link: https://www.youtube.com/watch?v=I3dez...

2) 0:37 - Universe (EXO)
Link: https://www.youtube.com/watch?v=leu-c...

3) 01:16 - Young (Baekhyun x Loco - SMSTATION 0)
Link: https://www.youtube.com/watch?v=RduG3...

4) 01:38, 04:50, 06:40, 07:15, 09:00, 09:14, 09:53 - Give Me A Chance (Lay)
Link: https://www.youtube.com/watch?v=ArF1O...

5) 02:14 - Blooming Day (EXO-CBX)
Link: https://www.youtube.com/watch?v=Ib674...

6) 03:39 - Vroom Vroom (EXO-CBX)
Link: https://www.youtube.com/watch?v=BQJrt...

7) 04:14 - Playdate (EXO-CBX)
Link: https://www.youtube.com/watch?v=Hwk4J...

8) 05:18, 07:30 - KoKoBop (EXO)
Link: https://www.youtube.com/watch?v=Idssu...

9) 11:25 - Power inst. (EXO)
Link: https://www.youtube.com/watch?v=k6JDA...