1girl, blue_background, blue_bow, blue_skirt, bow, enna_alouette, enna_alouette_(1st_costume), flat_chest, floating_hair, flower, haisaijun, hand_on_own_chest, head_tilt, head_wings, high-waist_skirt, leaning_back, long_hair, low_twintails, nijisanji, nijisanji_en, open_mouth, purple_eyes, skirt, solo, twintails, very_long_hair, virtual_youtuber, white_flower, wings