1girl, bikini, black_bikini, blue_archive, blush, breasts, brown_eyes, cleavage, closed_mouth, collarbone, dark-skinned_female, dark_skin, hair_down, halo, karin_(blue_archive), large_breasts, long_hair, looking_at_viewer, loose_skirt, navel, school_uniform, sideboob, sidelocks, smile, solo, stomach, swimsuit, tsumayouji_(tumayog)