A Kingdom Hearts FanFic: Awaking Darkness

This is my first ever FanFic. Ever. So any comments are apperciated. This takes place a few mounths after KH2. Sora, Riku and Kairi have come home, and are enjoying life back on the islands. However, somthing is not quite right...

Riku walked silently along the beach, kicking any pebbles he happened to see. It had been a few months since he, Sora and Kairi had returned to Destiny Islands. And he had spent most of it being bored out of his brain. It was okay for Sora and Kairi; they had a chance to be together now… “Was he jealous?†He often asked himself. He hadn’t come up with a good answer yet. He speeded up to a run. He, Tidus, Wakka and Selphie were going to have a contest on the beach. As for Sora… He said he might come.

“And where have you been?†Demanded a rather annoyed Selphie. “I lost track of time†replied Riku, with a nonchalant shrug of his shoulders. “Hmph! Well, now you’re here let’s begin.†Selphie smiled. “First, we’ll have Riku against Wakka. Oh, and Wakka, don’t hold back!†Riku groaned. “I suppose this is punishing me for being late?†He question hung unanswered in the air. All he got as a reply was a quick smile from Selphie.

“OUCH†yelped Riku, as one of Wakka’s balls hit him in the eye. “GO ON WAKKA! YOU CAN DO IT!†Screamed Selphie and Tidus from the sidelines.
Riku felt a bubble of anger boil inside him. Where did that come from?
Riku’s pondering left his guard down. Another one of Wakka’s balls hit him in the head. Riku fell backwards, and that was all he knew.
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I know its short and not fantastic, but I need to get it up and about before Christmas, otherwise I'll never get it going. (My creative jucies freeze over Christmas)

Again, Any comments apperciated!