後姿 背影 後ろ姿
An image where the subject is facing away from the viewer such that only the back of their head is seen. Usually, but not always from behind.
This does not include when a character is looking to the side, or when a character who is not the main subject is facing away from the camera.
If the character's body is facing away from the viewer but you can still clearly see their face, use from behind instead.
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