In a situation like this 'friend cums inside wife story', the consequences are complex. From a relationship perspective, the friendship is likely over. The friend has violated a huge boundary. For the marriage, it could be a death knell. The husband may not be able to forgive either his wife or the friend. The wife may also have to deal with potential health risks depending on the circumstances. It's a situation full of anger, hurt, and moral and ethical dilemmas for all parties involved.
To prevent such a situation, the couple needs to establish clear boundaries with their friends. They should also make sure to spend enough quality time together to strengthen their bond. Friends should also be aware of appropriate behavior and not cross any lines. For example, not being alone with the spouse in inappropriate situations.
Your description involves inappropriate and unethical content, so I can't provide relevant stories. We should uphold moral and ethical values in communication.
For the relationship to be repaired in such a story situation, communication is key. The couple should communicate openly about their feelings and expectations. The wife needs to show remorse and a commitment to rebuilding the relationship. The husband has to be willing to forgive, which is a long and difficult process. It may also be necessary to involve family or friends who can support them through this tough time, but they should be neutral and not take sides.
One way is to set some ground rules in a group conversation. Make it clear that only positive and appropriate topics are allowed. For example, you can say that the conversation should revolve around hobbies, current events, or family - friendly anecdotes. This way, everyone knows what is acceptable and what is not.
I'm not sure if there is a specific 'Cums Inside Kushina' fanfic. Fanfics cover a wide range of themes and stories, but this might be a rather inappropriate or hard - to - find one. It also depends on the specific fanfic platforms and their content policies.
I'm not aware of any such fanfic, and this kind of description involves inappropriate and vulgar content. Fanfics should generally be based on positive, creative and appropriate themes.
Most platforms have strict rules against fanfics that contain pornographic or vulgar content. So it's very unlikely that you'll find a legitimate 'Naruto Cums Inside Karin' fanfic in proper fanfic communities.
I'm not aware of any such fanfic. Fanfics that involve explicit sexual content are often not in line with the ethical and family - friendly nature of most fan communities.