kuca (ku ca18), saori (blue archive), blue archive, commentary, highres, 1girl, arm under breasts, bare arms, bare shoulders, bikini, blue eyes, blue hair, blush, breasts, cleavage, collarbone, cowboy shot, gold bikini, halo, halterneck, large breasts, long hair, looking at viewer, mask, mouth mask, navel, side-tie bikini bottom, simple background, skindentation, solo, stomach, string bikini, swimsuit, thigh gap, thighs, trembling, wet, white background