Gal to Couture: Ariake Momo wa Fuku wo Tsukutte Yuushou suru Koto ni Shita

The story is based on the Fashion Koshien (National High School Fashion Design Championship) held in Hirosaki, Aomori Prefecture. Momo Ariake, a gal who grew up in a snowy region, meets Ren Ujou, a boy her age who aspires to be a designer, and they try their hand at making clothes to express the "cute" that only they can find inside of themselves. Momo and Ren then team up to aim to win the Fashion Koshien.

(Source: Comic Natalie, translated)