Celestial Emissaryさんのイラストまとめ

And yet no one invited THEM to the party 😔 RIP https://t.co/5TEW53Ah8h

Thinking.

@alltheangelssay There actually is concept art of him with the metal plate, though it's a bit hard to see. There's also an old, clearer promo image of it as well where it's on the opposite ear. (The left piece was done by artist Charlie Wen, I've yet to find an artist source for the right image.)