The basic storyline is that Ai and Yu, two twins, are seeking their parents who disappeared in a rift 12 days ago. This rift takes the twins to Wonderland, a series of worlds with one ruler: Duke Tyrant, a cruel child who seeks to be the most powerful of all in Wonderland. Ai and Yu must find their parents and stop this Duke from invading their homeworld with strangers they meet along the way... First of whom, Lisa (a young sorceress) meets the twins on the "Ghost Train" that takes them around Wonderland. There's also Kaze, a strange fighter with amnesia and no charisma whatsoever, who defends the twins and Lisa (unintentionally) from the beasts and bosses of Wonderland using a strange and legendary "Magun" that appears to be permanently attached to his right hand that uses powerful colored bullets he calls "Soil". A wide assortment of other characters also exist...
This is a great introduction to the Final Fantasy series of video games for new players. It introduces the elements that are present in almost all of the games: Cid, the summoned monsters, what opposes which, etc. and it doesn't do it in a stubborn manner, such as Yu-Gi-Oh!, where concepts build upon each other.
Many people look at the recent games, and decide that this anime is inferior to the quality of stories that are present in the recent titles. This isn't geared towards that at all; Final Fantasy and Final Fantasy II/IV were very simple in storyline as well, and are hailed as classics. Could more have been done with this OAV? Sure, but this does have value in of itself in the way it was made.
Of a four star scale, I'd give it two. It has originality and imagination, it could be better, but thankfully it's not the original Final Fantasy series anime. If the introduction was more solid, however, such as clarifying the significance of the Day of Conjunction, and how their parents released a book about it 12 days after the rift opened before disappearing... that would make this a candidate for three stars.
