Mii's chant of "Marambo! Marambo!" is a reference to the village of Marambo in Tanzania, Africa.
The computer in Natsumi's room is a Macintosh SE/604e,wheras the computer in her father's office is a Macintosh 9500/200MP.
Nami's transformation dance is based off of the Latin dance craze "The Macarena".The music that plays in the background as she dances is a play on the actual melody of the song.Her dance also contains elements of "The Chicken Dance".
The brief close up of the newspaper date hints that the story takes place in July 2009.