1girl alternate_costume bag blue_bow blue_skirt bow bra_visible_through_clothes breasts cellphone collared_shirt grey_hair hair_behind_ear highres holding holding_phone hololive huge_breasts medium_hair mou_tama_maru open_mouth phone school_bag school_uniform shirogane_noel shirt shirt_tucked_in skirt smartphone solo virtual_youtuber wavy_hair white_shirt