PIRATE & ALIEN: A LOVE STORY
Disclaimer: I don't own Dragon Ball Z or Highschool of the Dead. They're all owned by their respective manga artists/anime companies.
Chapter 5: Let's Rock
Eventually, the zombies got bored and decided to form their own massive rock band. Broly and the other girls married him. To this day, they attend every performance of the zombie rock band as their biggest (and only) fans.