1990s_(style) blue_hair braid brown_eyes dark_blue_hair female full_body glasses gloves grey_background kurimoto_yukina lab_coat loafers long_hair nanase_aoi official_art red_skirt retro_artstyle round_eyewear school_uniform seraphim_call shoes simple_background single_braid skirt solo tachi-e thighhighs white_gloves white_thighhighs