For use when a red liquid or stain is present in the picture, but its origins are unknown, unmentioned or otherwise not explicitly shown.

h4. See also
* [[blood]]
* [[blood_stain]]
* [[blood_splatter]]
* [[fake blood]]
* [[lcl]]
* [[stain]]
** [[stained_clothes]]
* [[splatter]]
* [[jam]]
* [[ketchup]]