Oh! That's it! Yeah, he does wear glasses!On his way home, his mind must've been wandering here and there, all the while losing his temper.was clearly because he couldn't see very well.I knew it...His glasses were broken during the battle. There was a visible fresh wound between his eyebrows.His unnatural behavior in the hideoutIt probably went like this.Today he had a hard time clearing his mission."Why couldn't I clear this mission smoothly?"
"Am I still that unskilled as an assassin?"
"I train myself every day, so is this not even nearly enough?"I can tell that they must've been a formidable enemy.He usually wears glasses, but today he isn't!The point is, he received an attack that was strong enough to pierce through his armor right to his head, a vital spot.The reason why Ghiaccio wasn't in the hideout when he should have is probably because it took him longer than expected to dispose of his target.So that's why his face felt a little bit off.