1girl ahoge armor armored_boots bikini_armor boots breasts collarbone detached_sleeves floating_hair full_body gauntlets hairband knee_boots long_hair looking_at_viewer midriff navel one_leg_raised pointy_ears purple_hair red_eyes red_hairband simple_background small_breasts smile solo spaulders staff standing stomach sword_art_online thigh-highs thigh_strap very_long_hair white_background white_legwear yuuki_(sao)