Fushigi Yûgi is a story of a girl named Miaka who gets transported inside a mysterious book called "The Book of the Four Gods." In this world, she finds out that she is chosen to be the "Maiden of Suzaku" and she has to unite all the seven guardians in order for her to return back home. Along the way, she meets her love interest Tamahome (one of Suzaku's guardians) and she later finds out that her best friend is out to betray her. It's a story about love, betrayal, friendship, honor, and magic in one great manga story ever told.
I can't deny that this series made up a part of my childhood. In fact, its anime adaptation remained true to its original source. It was one of the first manga that I've read and I can confidently say it is one manga that I have no regrets reading.
My piece of advice that I would probably give to people if they're planning to read this masterpiece is to expect some spattering here and there of mature situations especially when it comes to intimate moments with the characters and the related. The violence is also to be watched out as well. But all in all, this manga has a perfect combination of everything. Though it is still interspersed with cliché, I am impressed with the art style and the storytelling that the mangaka made in this work.
When it comes to characters, I admit that Miaka is one of my least favorites. I describe her as a photocopy of the common girl protagonists in mahou shoujo manga so I'm not that really impressed at first. But regardless of her common traits as a protagonist of a manga character, she never fails to amaze me with her transition from being a crybaby high school girl into a mature and responsible magical maiden. So this manga deserves two thumbs up from me!