Do all anime series have their corresponding manga?

No, definitely not. Many anime are inspired by various sources. For example, some come from novels, while others are developed independently by animation studios with unique storylines.

Not all do. Some anime make significant changes to the story or characters from the manga.

Most of the time, it's not a rule that every manga has a light novel. It depends on various factors like the popularity of the story, the author's plans, and the publisher's decisions. Some manga are so unique that they don't need a light novel version to tell the story effectively.

Yes, there are. Some anime are original creations and not based on manga. For example, 'Neon Genesis Evangelion' was an anime that didn't have a manga counterpart when it first aired.

Not all anime are based exactly on the manga. Sometimes, there are changes made for various reasons like creative decisions or to fit the animation format better.

Yes, it does. The anime Free is based on a manga.

Yes, it does. The anime is often based on a manga source.

Yes, it does. The Redline anime is based on a manga of the same name.

Sure does! The anime Bem is based on a manga that provides the original source material for the animated adaptation. The manga often offers more depth and details to the story.

Not necessarily. There are many anime that are original creations and don't have a manga counterpart.