The Sahara Family (佐原家 Sahara Ke) are the ones who took in Kohtaro and gave him a job in their helicopter business Sahara Airlines. Shunkichi (俊吉 Shunkichi) and Utako (唄子 Utako) are the parents who are always arguing with each other, Shigeru (茂 Shigeru) is their son, and Hitomi (ひとみ Hitomi) is their daughter. Shigeru is the first person in the series to know, that Kohtaro is RX. Unfortunately, Shunkichi and Utako were killed by General Jark.