I wouldn't recommend seeking adult manga. It's often against the law and not morally correct. However, if you really want to, you might find some on certain unregulated online platforms, but remember, this comes with risks.
It depends. If you're reading manga on legitimate websites that have the rights to distribute it, it's not illegal. However, if you're getting it from illegal torrent sites or unlicensed platforms, then yes, it's against the law.
The legality of reading manga online depends on the source. Legitimate platforms with proper authorization make it legal. But most random sites offering free manga are likely illegal and can get you in trouble.
There are several legal alternatives. Webtoon is a great platform that features a diverse range of manga - like stories, from action to romance. It's free to read, and the content is suitable for all ages. Additionally, ComiXology has a huge library of comics and manga - inspired works that are legal and accessible.
In most cases, it's not legal. There are moral and ethical boundaries as well. Even if it's free online, if it contains inappropriate or adult - only themes like spanking in a sexual or violent context that goes against community standards, it can be considered illegal. And different countries have different laws regarding what is acceptable in terms of written or visual content.
You should avoid looking for such content as it may be inappropriate and even illegal. It's better to focus on legal and appropriate reading materials.
You can start by looking for websites that offer Japanese manga with translation options. Some popular ones are MangaReader or KissManga. Just make sure they're legal and safe to use.