Haruhiko is the main protagonist in the story. He is a childhood friend of Kirino and the older brother of Riko, though they're not related by blood. He tends to be blunt in his expressions and likes to tease Kirino constantly. Whenever Gift is concerned, he is very adamant that it is a very helpful and worthwhile power to possess for he owes his own life to it, he's said. Also, his mother died many year ago.