4girls :d bag black_hair black_legwear blonde_hair blush bow brown_hair chair cherry_blossoms curtains dutch_angle euphonium hair_bow hair_ornament hairclip hand_on_another's_knee hand_on_another's_shoulder hibike!_euphonium highres holding indoors instrument katou_hazuki kawashima_sapphire kneehighs kousaka_reina long_hair long_sleeves multiple_girls open_mouth oumae_kumiko outstretched_arm petals pleated_skirt school_bag school_uniform serafuku shelf shirt shoes short_hair sitting skirt smile standing swordsouls thigh-highs trumpet uwabaki v violet_eyes wariza white_legwear window yellow_eyes zettai_ryouiki