When Yuu moves into the dorm, he is an instant target for Brian because Jinny seems to be interested in the newcomer. Eventually they are able to settle this problem and become friends.
Brian finally realizes that Jinny is not the girl for him. He falls back on Doris as someone to share his woes with only to realize that she has been interested in him for the longest time. The two become a couple and her down-to-earth nature is able to bring out the sensitive and calm side in Brian.
Brian Grant is Michael's older brother who remains in America. He is in love with Jinny and his oafish advances are always snubbed. Being egotistical, he can't seem to understand why she isn't interested in him.