And this would be the personalities for Yuuya and Xander:
Yuuya's personality would be nonchalant, confident, life adviser and smart.
His likes would be his family, his girlfriends, his friends (Especially Xander and Shadow), cars, his job as a Automotive Technician. And for his dislikes would be losing to a arrogant person, Someone using his car with no permission, his mother teasing him when he's with his two girlfriends and when someone messed with his friends and family.
Xander's personalized would be Strict, strategist, humble and gentle.
His likes would be his family and when him and his father went on training, his girlfriend Vee, all of his friends and even his sister-figure Amity. For his dislikes is when his parents is same as Yuuya's.