viktor krum's little sister(female reader insert)

(omega harry potter x beta female reader x alpha draco malfoy)
y/n krum was a beta and viktor krum's sister she want to Hogwarts and claimed both omega harry and alpha draco as her mates now in her fourth year both herself and harry are unwillingly entered into the triwizard tournament and things get difficult for her when she find out her omega is pregnant.