You should distance yourself from it right away. Do not engage with it or share it further. It's important to respect the privacy of others. If it is on a social media platform, you can flag it as inappropriate content. This way, you are helping to protect the privacy and dignity of the person who might be the subject of such a wrong story.
Avoid it. Since it likely contains inappropriate content.
One should avoid engaging with it. Don't share it further as it is inappropriate content. Report it to the relevant authorities if possible, such as on a platform where it is found if it violates the platform's terms of use.
If you encounter such a story, you should firmly condemn it and make it clear that this is an unacceptable invasion of privacy. You can also encourage others around you to respect the privacy of relationships and not get involved with such inappropriate content.
One should immediately stop reading or viewing such content. Report it to the relevant authorities if it is illegal or violates any ethical guidelines. Also, try to forget about it and not let it influence your thoughts or actions towards your family.
If you come across such fanfiction, it's best to just move on and not engage with it. It may be a sign of a more disturbing or inappropriate take on the character that doesn't align with the positive aspects of the Hetalia fandom.
Report it if it is in an inappropriate or unregulated context. This kind of content has no place in a healthy society. And then try to forget about it and focus on positive and healthy forms of media and stories.
Immediately stop viewing and try to avoid similar content in the future. You can also clear your browser history to remove any trace of it.
One should simply ignore such stories. They are inappropriate and likely untrue. Giving them attention only helps in spreading this unwanted and unethical content.
Ignore it. Such content is inappropriate and not in line with respecting the actor. Just move on and look for positive and authorised content related to Benedict Cumberbatch.
First, turn it off right away. Then, you can consider reaching out to someone you trust, like a friend or family member, to talk about how uncomfortable and wrong it is that you came across such a thing. And make sure not to spread or promote this kind of content in any way.