August, Erika's (much) bigger sister. August is currently studying advanced terraforming to the Araltian equivalent of a masters degree, and is extremely good at it. So while Erika destroys planets, August creates them. Due to it's small size, August still lives and studies in the same house as her younger sister and her mother, Evie.
August's tail is absolutely massive, at 1.5 times her height is works out as being around 3m long relatively speaking, or in real terms somewhere in the region of 9.5million ft long.