Either her head is too small, or her neck is too big/long.
Well the background lines curve, indicating it might be a field-of-view illusion (breasts appear magnified, center of the fov. Head appears tiny, edge of fov.)
Well the background lines curve, indicating it might be a field-of-view illusion (breasts appear magnified, center of the fov. Head appears tiny, edge of fov.)
No, the backgrounds have straight lines. Yes, you can see those 2 effect arcs over her head but, if you look at the line of stained windows, you'll see that they're distancing regularly, in a straight line.