female clothing dancing 4girls instrument guitar blue_eyes hair_ornament blue_hair blonde_hair asymmetrical_hair closed_mouth green_eyes facing_viewer bocchi_the_rock! gotou_hitori ijichi_nijika cube_hair_ornament onii-chan_wa_oshimai! electric_guitar kita_ikuyo yamada_ryou rurushu_ki_san banknote gibson_les_paul iden_teitei_meltdown