Overall, it's decent. I think I may have set my expectations too high after hearing I DO, but I overall felt like I liked each song less and less as I went along.
Flip It was definitely the most jarring, I didn't expect a full rap song - I feel like Soyeon is a great rapper, but the rest of the group leaves a bit to be desired. I'm wondering if this is because it's the first time I've ever understood the lyrics (since they're in English). Outside of the rapping, Miyeon's pre-chorus was very nice!