I have four stories I want to work on but i don't know which one. Which out of the stories below should i work on?

1st one: The elpoeps: the Elpoeps are made of creatures i invented they are short and have huge ears and have the powers of "strechiness" and super hearing the main character is an Elpoep but she doesn't know and the mayor of her town hates elpoeps so he bans them and then he figures out the main character is an elpoep he tries to kill her expectially because her dad is the reason he hates elpoeps
2nd one: Genie story: these twins (ones a boy ones a girl) mover to a new house with there family when they learn that in the attic there was a lamp with a genie in it! this genie can give 3 wishes a día
3rd story: (idk the título o a thinking title) A girl wakes up in on a snowy colina at night not remembering how she got there o ANYTHING not even her name
4th: half moon wolf: in the town the main character people began going missing then she/he learns that his/hers best friend is a half moon wolf! a lobo that transforms when it is a half moon what story should i do?