1girl :d bangs blush brown_eyes commentary dress gradient_background hair_between_eyes hand_on_own_knee highres long_hair nanami_ayane_(kusunoki5050) no_shoes onii-chan_wa_oshimai! open_mouth oyama_mahiro pink_hair simple_background sitting sleeveless sleeveless_dress smile socks solo twintails white_socks yellow_background yellow_dress