The Kellers are her maternal family. Her mother is the only daughter of the Keller family who was pampered and spoiled by everyone.
"Your eldest cousin?" Anna asked, gripping her skirt. Whenever they speak of this 'eldest cousin' she always gets nervous and anxious.
Unlike Allen who is playful and a bit easy going, his cousin is the exact opposite.
He has a very suppressing and formidable aura that even she, who herself was an intimidating person, feels suffocated and oppressed.
Although he has never shown his temper in front of her, his whole demeanor is innately powerful and dominating.
"He will be returning to country M soon, Anna. I think he is coming back just for the birthday party." Brianna answered Anna's question.
Her eldest cousin works for the military. It can be said that he has absolute power on his territory.