3 4girls aged_down aqua_eyes aqua_hair aqua_nails aqua_necktie aqua_trim black_footwear black_skirt black_sleeves boots bow buttons carrying channel_(caststation) child_carry clone closed_mouth collared_shirt detached_sleeves double-breasted double-parted_bangs drill_hair general grey_jacket grey_shirt grey_skirt half-closed_eyes hand_on_another's_head hatsune_miku hatsune_miku_(vocaloid3) hatsune_miku_(vocaloid4) holding_another's_hair hug jacket kasane_teto kasane_teto_(sv) long_hair long_sleeves looking_at_another looking_at_viewer multiple_girls multiple_persona necktie number_tattoo one_eye_closed open_mouth pleated_skirt raised_eyebrows red_eyes red_hair shirt shoulder_belt shoulder_boards shoulder_carry shoulder_tattoo skirt sleeveless staff_(music) sweatdrop synthesizer_v tattoo thigh_boots twin_drills twintails twirling_hair utau very_long_hair vocaloid white_background white_bow white_shirt

Unknown