koshka pic, hoshino (blue archive), hoshino (first year) (blue archive), blue archive, absurdres, commentary request, highres, 1girl, abydos high school swimsuit, ahoge, black one-piece swimsuit, blue eyes, blush, double-parted bangs, dress shirt, flat chest, gluteal fold, hair between eyes, hair flaps, halo, hand on own hip, heterochromia, holding, holding swim ring, huge ahoge, innertube, leaning forward, long sleeves, looking at viewer, medium hair, official alternate costume, one-piece swimsuit, open clothes, open shirt, orange eyes, pink hair, pink halo, school swimsuit, shirt, sidelocks, simple background, skinny, solo, sweat, swim ring, swimsuit, thighs, white background