Kono Class ni Gal wa Inai

Mirei, a diligent honor student, longs for the flashy, fashionable "gyaru" lifestyle she admires in manga. With newfound courage, she decides to give herself a makeover and reinvent her image upon entering high school. There, she meets Yushin, a rough-around-the-edges boy, and... they hit it off?! (Source: MANGA Plus)