Nicknamed Maggie. She is a close friend of Hiro's and serves as both the mascot and mechanic of the "Killer Commander" team. She is known for her caring and nurturing nature.

When an ice comet slammed into the planet Venus, terraforming its toxic atmosphere into one capable of sustaining human life, mankind’s dream of colonizing other worlds became a reality. Unfortunately for the colonists, Venus isn’t the paradise they’d dreamed of. As crops fail and competition for resources intensifies, hostilities grow until the two inhabited continents stand on the brink of war. 
 
Reporter Susan Sommers arrives in the capital of Aphrodia just as Ishtar attacks and only the intervention of Hiro Seno and his Battle Bike team saves her from certain death… but now Aphrodia is under Ishtar’s control and Sue, Hiro, and his teammates find themselves on the run! However, their unique skill at Battle Bike, which combines motorcycle racing with roller derby, may just prove to be the secret weapon Aphrodia needs to win the Venus Wars. 
(Source: Sentai Filmworks)

[Wiki (jp)](https://ja.wikipedia.org/wiki/水谷優子)

Wife of [Mizuho Nishikubo](https://anilist.co/staff/102460/).

Passed away due to breast cancer on May 17, 2016.

[Eldoblaje](https://www.eldoblaje.com/datos/FichaActorDoblaje.asp?id=7078)

May 2003. An icy planet from distant space crashes into Venus, changing its qualities completely. These qualities prove to present some habitability for humans, enticing men to eventually colonize it for themselves...
 
80 years later, Venus is home to many people who call it home. However, an ever-present tension between the two major continents, Aphrodia and Ishtar, points to an ominous fate for Venus.
 
Hiroki Senoo is a rather rebellious member of a motorsport popular within Aphrodia's capital. One day, members of Aphrodia's military approach Hiroki, and, impressed by his skills, invite him to join. Thus, Hiroki finds himself enveloped in Venus's political landscape...
 
Note: Chapter count resets with Volume 3 to correspond with the second part.

Margot Nakamoto