Manga and its not close, some of the atrocities I've seen with anime adaptations have been

Usually animes pick up a manga story while its still ongoing, the problem is when the anime catches up they have to add dumb fillers that contradict the manga most times and cause the story to be convoluted, or it just changes the story completely and does its own thing. I liked Soul Eater and Full Metal Alchemist animes until I read the mangas

it wasn't until Brotherhood that FMA got the anime it deserved. I like both but I'll take mangas by miles