Cho plays as a seeker for Ravenclaw in the Harry Potter series of books. Harry asks Cho Chang to the Yule Ball but it turns out that she has already accepted an invitation from Cedric Diggory. Cho and Cedric Diggory remain an item up until Cedrics murder at the hands of Peter Pettigrew after touching the Triwizard cup which turns out to be a portkey to the Little Hangleton Graveyard.
Cho is invited by Hermione Granger to become a member of Dumbledores Army although against her parents wishes not to do anything anti-ministry.
