
The managers in GO are named after colours. Aki means autumn, Haruna means spring, Natsumi means summer and Fuyuka means winter. The managers in the first series are named after the seasons. Techniqually Aki and Haruna switch between their school uniforms and their tracksuits and Natsumi is mostly seen in her casual outfit in the third season, but their wardrobe is still pretty limited. School Uniforms are the New Black: Usually seen in their school uniforms, even in the 2nd and 3rd seasons, when they rarely even go to school. Four-Temperament Ensemble: Aki (phlegmatic), Haruna (sanguine), Natsumi (choleric) and Fuyuka (melancholic). First-Name Basis: Actually, most of the girls are mostly called by their first name, as opposed to most of the boys, who are called by their last name. However, both of them wear orange tracksuits.
In Ares, Tsukushi has a green ribbon and Anna has a pink one.
Ironically, Aoi's name means "blue" and Akane's means "red". In GO, Aoi (pink), Akane (blue) and Midori (green).Seen on their school uniforms and tracksuits: Aki (green for her uniform and orange for her tracksuit), Haruna (orange for her uniform and green for her tracksuit), Natsumi (pink) and Fuyuka (teal).