The 'May Be Meant to Be' manga and its anime have a strong bond. The anime tries to bring the manga to life, maintaining the essence and characters. Some changes are made to make it more appealing to a wider audience, but they don't stray far from the original concept.
I don't think it's a true story. Usually, when something is labeled as such, it's more in the realm of fiction, crafted to captivate and take us on an imaginative journey.
It varies. There are comics that deal with adult issues and are intended for mature readers. However, there are also plenty of comics that are enjoyable for people of all ages, like those with simple and fun stories.
The Bible isn't intended to be fiction. It's a complex text that holds deep religious and historical value for millions. Whether it's the stories, laws, or prophecies, they are believed to have a profound purpose beyond mere fiction.