 All the girls in the Aasu family are named after numbers: Hitomi  (hito, one), Futaba (Futa, two), Mitsuki (Mitsu, three), Shii (Shi,  four), Itsue (Itsu, five), Mutsumi (Mutsu, six) and Nanase (Nana,  seven). As well as this, Hitomi means "eyesight" or "eye" in  Japanese, which describes Hitomis power (precognition, sixth  sense).