The keywords of necklines for NATURAL type are
ROUGH and CASUAL
NATURAL type can wear rough and casual clothes stylishly. They can also enjoy layered style as thay tend to have slender body. Oversize silhouette clothes makes their strong bodyframe look stylish and feminine.
Scoop Neck ･･･narrow open is better
Square Neck･･･narrow open is better
V-Neck ･･･narrow open is better
･Feminine decorations like frills or drapes
･Wide open neck line