Here you have all the parts from Mark of all the MV's he is in, in chronological order :)

1. 7th Sense-NCT 127
2. Fire Truck-NCT127
3. Chewing Gum-NCT DREAM
4. Good Thing-NCT 127
5. Limitless-NCT 127
6. My First And Last-NCT DREAM
7. Trigger The Fever-NCT DREAM
8. Cherry Bomb-NCT 127
9. Young And Free- XIUMIN AND MARK
10. Lemonade Love- JAE-JUNG AND MARK
11. We Young-NCT DREAM
12. Joy-NCT DREAM
13. Boss-NCT U
14. Go-NCT DREAM
15. Touch-NCT 127
16. Yestoday-NCT 2018
17. Black On Black-NCT 2018
18. Chain-NCT 127