1girl, blue_one-piece_swimsuit, breasts, brown_eyes, brown_hair, closed_mouth, covered_navel, from_below, hiroki_(yyqw7151), karakai_jouzu_no_takagi-san, looking_at_viewer, one-piece_swimsuit, shirt, short_hair, small_breasts, smile, solo, swimsuit, takagi-san, thighs, upshirt, white_shirt