1girl bag bangs black_hair blazer blue_eyes blunt_bangs blush bow cardigan dark day double_v hair_ornament hairclip highres international_symbol_of_access jacket leaning_back looking_at_viewer nijisanji open_mouth plaid plaid_skirt red_bow reoen school_uniform skirt solo sweatdrop thighhighs train_interior tsukino_mito v virtual_youtuber white_legwear