First Reaction to 2PM MVs [10 out of 10, Again & Again, I Hate You & Heartbeat]

Am I a bit late to the party..? I didn't know I already heard Again & Again, and Heartbeat of course! Even for me this felt nostalgic, I was happy hearing their first songs.

Link to original MVs:

10 out of 10: 2PM "10 out of 10(10점 만점에 10점)" M/V

Again & Again: 2PM "Again & Again" M/V

I Hate You: 2PM "I Hate You(니가 밉다)" M/V

Heartbeat: 2PM "Heartbeat" M/V