Appears in Ayatsuri Yashiki (Marionette Mansion). Haruhiko is the middle child among the Kitawaki kids. He and his family live in a truck and travel all over Japan, performing puppet shows. He admits he isn't as good at it as Yukihiko and resents their lifestyle, since he has to leave behind all the friends he makes. After Yukihiko leaves and their father dies, Haruhiko takes up a job at a factory to support himself and Natsumi.