Yn was sidekick to Wonder Woman Yn powers was zenkai he gets more stronger when he fight or near death experiences till one day he was summoned by the league he was told that he disbanded by the team so he couldn't be a member of the team anymore but he still helps people and he sees on the news that the sidekicks are getting the credit of his heroics so Yn stopped saving people till he meet a person that can help him get stronger and make them league pay for there betrayal
Yn harem
Margarita
Vados
HelesNo Yn wouldn't be a sayian just have the zenkai ability