2girls, arm_support, black_hair, black_socks, blue_sailor_collar, blue_skirt, blush, brown_eyes, brown_hair, curly_hair, hand_up, hibike!_euphonium, index_finger_raised, kitauji_high_school_uniform, kneehighs, kousaka_reina, long_hair, looking_at_viewer, midriff_peek, multiple_girls, navel, neckerchief, open_mouth, oumae_kumiko, outstretched_arm, parted_lips, pink_neckerchief, pleated_skirt, purple_eyes, ranari, sailor_collar, school_uniform, serafuku, sheet_music, shirt, short_hair, short_sleeves, sitting, skirt, smile, socks, teeth, uniform, upper_teeth_only, v, white_background, white_shirt, white_socks, yokozuwari