1girl, absurdres, armpits, bikini, blue_bikini, blue_eyes, blue_sky, border, breasts, brown_hat, cleavage, cloud, collarbone, commentary_request, cover, cover_page, day, doujin_cover, gakuen_idolmaster, halterneck, hands_on_headwear, hat, highres, idolmaster, katsuragi_lilja, kimi_to_semi_blue_(idolmaster), medium_breasts, multicolored_hair, no_jacket, sincos, sky, solo, straw_hat, string_bikini, sun_hat, swimsuit, translation_request, two-tone_hair, upper_body, white_border