Alien Harem Bridemaids

In the distant future, Four spoiled students tried to get a alien prince kicked out of their private school. The plan backfired. They weren't expelled since graduation was just a couple months away. The young ladies were allowed to graduate early. The alien prince stays in school but in his mind his honor and reputation had been marred.
Five years later Barbara is about to get married and invites her three close friends to a isolated cabin on a alien planet to celebrate. They are aware but unconcerned that alien prince has come of age and is now allow to have his own harem. It time to regain his honor.