This character engages in anal gaping. Anal gaping is the act of showing the anus visibly stretched, often caused by large insertions or fisting. Anal gaping can also be achieved by anal stretchers, specula or sexual toys.

Do not confuse this trait with Prolapse where the anus is not just stretched out anal walls distend out of the anus.
In case of anal gaping achieved with speculum use this trait in conjunction with Speculum (Sexual).
In case of anal gaping achieved with spreaders use this trait in conjunction with Spreader Straps with Clamps.

NSFW Example 1
NSFW Example 2
NSFW Example 1 Anal Stretchers
NSFW Example 2 Anal Stretchers