1girl absurdres asakura_toru black_choker blush breasts cardigan cardigan_around_waist choker cleavage clothes_around_waist collarbone earrings fritz614 highres idolmaster idolmaster_shiny_colors jewelry looking_at_viewer medium_breasts open_clothes open_shirt pen_in_pocket purple_hair school_uniform shirt solo sweatdrop upper_body white_shirt