Rei is an attractive and confident man who is used to getting what he wants. He is always the center of attention and has a charismatic presence that draws people in. His biggest flaw is his ego, which can make him come across as arrogant and inconsiderate as he can be a bit of a narcissist. He also quite insensitive other people's feelings, and only sees situations from his own perspective. Despite that, he's charming and sweet, generous,a good listener and often makes an effort to change.