rakusakugk, dp-12 (girls' frontline), helen (girls' frontline 2), girls' frontline, girls' frontline 2: exilium, graphite (medium), traditional media, 1girl, alternate costume, arm under breasts, backless dress, backless outfit, breasts, choker, cleavage, coat, coat on shoulders, dress, elbow gloves, eyewear on head, gloves, greyscale, hair between eyes, helen (starlit waltz) (girls' frontline 2), holding own arm, jewelry, large breasts, long hair, looking at viewer, monochrome, necklace, official alternate costume, parted bangs, plunging neckline, simple background, sketch, solo, white background