1girl, afterimage, black_sleeves, blue_dress, blue_eyes, blue_headwear, cleavage_cutout, clenched_hand, clothing_cutout, code:escape_(idolmaster), detached_sleeves, drawing, dress, escape_(idolmaster), frilled_dress, frills, ggxfan, hat, holding, holding_pen, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, light_purple_hair, long_hair, looking_down, motion_lines, open_mouth, paper, pen, shiraishi_tsumugi, solo, table, upper_body, v-shaped_eyebrows, white_background