1girl, akashi (kancolle), alternate costume, bangs, blunt tresses, blush, breasts, breath, collarbone, crop top, exercise, gradient background, green eyes, hair ribbon, heavy breathing, kantai collection, long hair, looking at viewer, medium breasts, midriff, navel, open mouth, pants, pink hair, ribbon, simple background, solo, sports bra, sportswear, steam, sweat, towel, towel around neck, tress ribbon, yoga pants, yuuji (and)