Ben 10 Omniverse fan fiction

Jen was an ordenary girl.she was. her parents where plumbers but they where killed. in one of the missions they brought Jen since they didn't have a babysitter. long story short they where killed and Jen was captured and was experimented. they where messing with her DNA and now she can transform in to four arm. she escapes after somany years. she is 12 years old. she meets Ben and the others they took her in and grandpa max adopted her she is now a tenison.she also managed to control her transportation but the transformation became perminent because her DNA was messed up that she is four arm. anyway, Gwen and Kevin comes back from college and work they where on break. they meet Ben's partner rook. Jen is happy to see them as well as Ben but Kevin was acting weird. plus he has someone that wants him and that some one is princess looma she has a brothere name looomo. he hasn't found anyone to be his wife and Queen. find out what happens.