Definitely not. 'Yaoi lemon hard fanfiction' typically has sexual and often extreme content. This kind of content is not suitable for public consumption or for those who are not interested in adult - themed works. It can also make some people uncomfortable and is not in line with the values of a respectful and inclusive community.
Well, 'yaoi' is about male - male relationships in the realm of fan - created works. 'Lemon' is sort of a code word for sexual situations. 'Hard' could potentially mean that it has a more forceful or hardcore nature in terms of the content. But this kind of fanfiction often violates the terms of use of many platforms as it may contain adult - only material.
The characteristics of 'Kakashi x Naruto' hard yaoi fanfiction can be quite complex. It might explore the power dynamics between the two characters in a romantic context. For example, Kakashi being the more experienced ninja could be portrayed as a dominant figure in the relationship, while Naruto's energetic and passionate nature could be used to show his role in the relationship. But again, this is all very different from the Naruto we know in the official story. It's important to note that this type of fanfiction is a form of creative reinterpretation by fans, but it can also be controversial due to its deviation from the original themes.
Personally, I don't recommend seeking out 'hard' yaoi fanfiction as it might contain inappropriate or non - canon content. However, if you're just interested in the relationship between Kakashi and Naruto in a more general sense, there are many normal fanfictions that explore their bond in a positive and interesting way.
You can try some adult-oriented comic websites. But be aware that accessing such content may have legal and ethical considerations depending on your region.
Some popular platforms to read manhwas are Lezhin Comics and Tapas. Both offer various genres and stories to choose from. Also, you might find some on Naver Webtoon, which has a large user base and a diverse range of titles.
You might find manhwas on apps specifically designed for comic lovers. Check out apps like Tappytoon. Also, some libraries might have digital collections of manhwas that you can access with a membership.