1girl animal_costume animal_hood bangs blush commentary_request cowboy_shot fish_tail flat_chest hand_in_pocket hand_up hood idolmaster idolmaster_million_live! kwaejina light_blue_background long_sleeves looking_at_viewer makabe_mizuki navel open_clothes purple_hair serious shark_costume shark_hood shark_tail short_hair sidelocks solo stomach tail v wavy_hair yellow_eyes zipper_pull_tab