Help again

I'm so confused on frutas basket...i saw on wikipedia that Akito was a girl?!?! In the mangá but in animê he's a boy!?!??Then Why does shigure have a girlfriend..and his girlfriend is Akito?!??!! then I saw in wikipedia that Hatori is the ano of the dragon??? But why is that he transform into a seahorse??? And is kyo the groom to honda tohru??? Because i saw in wikipedia that honda's father, mother and grandfather are all in-law..just like mother-in-law, father-in-law, and Grandfather-in-law....And Why is yuki have a girlfriend on someone??? But I Thought He Really Loves Tohru..Would Somebody explain to me what's going on in here???