I think it's just the pictures lol.
Like he's clearly good looking, and sometimes I think, "oh, he's really good looking". And on others I'm like, "hmmm...I don't know?"
From other Japanese idols that didn't debut too long ago I would have a few more, but I'm not too sure if I should be naming a minor
I mean Ayumu of ONE LOVE ONE HEART is just 16