1girl, breasts, cherry_blossoms, cleavage, crop_top, hair_ribbon, jacket, koyama_keisuke, large_breasts, long_hair, looking_at_viewer, midriff, navel, outdoors, pants, petals, ponytail, purple_hair, red_eyes, ribbon, sandals, smile, solo, sword, under_night_in-birth, very_long_hair, weapon, yuzuriha_(under_night_in-birth)