This tag overlaps with (but not necessarily relates to) exhibitionism and zenra, as nudists can be naked indoors (such as the privacy of their home), as opposed to the aforementioned fetishes that emphasize public nudity and exposure to others. Nudism is usually treated as a matter of personal preference rather than deliberate titillation.
Do not apply this tag simply because the character is naked. Other evidences in the image such as the character performing various mundane task naked, treat their nakedness as an ordinary matter, or is not involved in a sexual situation is required to identify this tag.
As a rule of thumb:
If the person in nude is aware of their nudity and is not in the act that requires them to be in nude (such as bathing) but does not attempt to cover it and acts as normal, then the tag "nudist" is applicable.
If the person in nude is in public place, being in presence with other people, or is overtly showing their state of nudity to others, then the tag "exhibitionism" is applicable.
If the setting of the image treats the state of nudity or sexual act as a normal activity, then the tag "zenra" is applicable.
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