1girl black_choker black_footwear black_hair blue_nails blue_sailor_collar blue_skirt boots choker fingernails green_socks grey_background grey_eyes highres hoshi_san_3 lip_piercing long_hair long_sleeves looking_at_viewer miniskirt nail_polish original parted_lips piercing sailor_collar school_uniform serafuku shirt simple_background skirt socks solo thigh_strap white_shirt