1girl, aged_down, alternate_costume, arm_behind_back, artist_name, azur_lane, black_hair, black_skirt, blush, bow, bowtie, breasts, closed_mouth, feet_out_of_frame, friedrich_der_grosse_(azur_lane), gdat, hand_on_own_chest, horns, indoors, large_breasts, lips, long_hair, looking_at_viewer, mechanical_horns, miniskirt, pleated_skirt, red_bow, red_bowtie, red_horns, school_uniform, shirt, short_sleeves, sitting, skirt, smile, solo, tented_shirt, twitter_username, very_long_hair, white_shirt, window, yellow_eyes