hoshino_fumina
Protagonist of Gundam Build Fighters Try. She wears several outfits in-series (aside from her Seihou uniform): one, a yellow jacket over a sports bra and bike shorts; second, a black and white cycling bodysuit; a blue jacket and a pair of yellow shorts; and a pink shirt over (presumably) her sports bra, white shorts, and black thigh-highs.
She is voiced by Makino Yui.
The gunpla she uses are the Powered GM Cardigan, Winning Gundam, and Star Winning Gundam.
A mecha musume / Armor Girls Project version of her exists in-universe, called the Super Fumina, modeled by Sakai Minato.