1girl ahoge arm_up bangs blouse blue_neckerchief blue_scrunchie brown_hair cellphone commentary drill_hair earbuds earphones from_above grey_sailor_collar grey_skirt hair_ornament hair_scrunchie heart highres idolmaster idolmaster_million_live! kamille_(vcx68) long_sleeves lying medium_hair medium_skirt midriff navel neckerchief nintendo_switch on_back open_mouth pencil phone purple_eyes sailor_collar school_uniform scrunchie shirt side_ponytail skirt smartphone solo stretching white_shirt yokoyama_nao