Cho Chang is a lovely oriental girl that is a Quidditch player. Harry tried to ask her to the Yule Ball in Book 4, but she was already going with Cedric. At the end of Harry Potter and the Goblet of Fire, Cedric dies.
In Book 5, Harry Potter and the Order of the Phoenix, Cho is friendly with Harry and he even kisses her under the mistletoe. He takes her out for Valentine's Day but then upsets her by talking about Hermoine. He doesn't understand at all why Cho is upset by this. The two drift apart and by the end of Book 5 Cho is dating someone else.
Harry Potter and the Order of the Phoenix at Amazon.com
Harry Potter Character Listing
Harry Potter Master Listing
