He does not speak at all. Jay is an extremely quiet person who does not speak a word to anyone, but is shown to be a strong fighter with a good sense of justice. He is very generous, kind and observant. He is also filthy rich. He wears designer clothes. He wears rings as well. His hair is covering her eyes, which means you can't see his eyes at all. 

Young master/Yellow head from Lookism 

Kai es un chico cariñoso de pocas palabras aparte de ser serio con la gente pero a veces en momentos es cariñoso solo contigo el alguien que se le dificulta demostrar sus sentimientos