Kai is a very calm and down-to-earth person who usually takes logical standpoints on situations and takes the time to analyzes things carefully. He is always precise in his calculations and investigations so that he leaves no stones unturned. Although he appears to be serious due to his blank face, he's actually a very funny and charming boy if you come onto him the right way. He accepts people of all backgrounds and tends to be open-minded however can be stubborn when he wants to.
Once you befriend Kai, he is a very loyal and trustworthy friend to have around. He is always out to protect his friends and leans towards fulfilling their interests rather than his own. He puts his goals behind those he cares about and is willing to sacrifice whatever for them.