1girl, arms_behind_back, bikini, blonde_hair, blue_eyes, blush, boku_wa_tomodachi_ga_sukunai, breasts, front-tie_bikini_top, front-tie_top, groin, hasegawa_kobato, heterochromia, long_hair, navel, nightmare77zx, pink_bikini, red_eyes, ribbon, side-tie_bikini_bottom, small_breasts, smile, solo, swimsuit, thighs, traditional_media, two_side_up