Ugh, I still can't get over how much I love the new protagonist's design. Such a 180 from his original reveal, I'm just in shock.
Soejima used really simple and obvious touches to make it work. The big glasses he wears during the day pull attention away from his eyes, and his shaggy hair obscures them. It makes him seem withdrawn and vulnerable. However, when you remove the glasses, the hair actually outlines his eyes, making him seem mysterious and brooding. Then, with the phantom mask, which is black on the inside and white on the outside, it draws attention directly to his eyes, which makes him seem incredibly imposing and alert.
Also, this made me realize why that one picture with the 3 protagonists didn't show MC's face: If they had shown him without his glasses, the whole idea of him being someone completely different than his first appearance would have been spoiled. And if they showed him as the more docile version of himself, it would have looked out of place against Yu and Makoto.
Oh, also, I realized what they meant in Famitsu about the whole "different sounding persona summon noise" Now it sounds more like breaking a chain, like the sounds we heard in the second trailer, when it shows Hashino, Soejima, and Meguro's names.