Uknighted Dream

Cassgeneunzel is the poly ship between Rapunzel, Flynn Rider and Cassandra from the Tangled fandom.

Canon
Sometime after Rapunzel reunited with her birth family and she and Eugene began to live in the castle together, they meet Rapunzel's assigned handmaiden Cassandra who wasn't very fund of the two. Since she doesn't like the fact that Eugene is the thief Flynn Rider and wasn't happy with Rapunzel's pushy attempts to earn her friendship. Even though Eugene doesn't like Cassandra very much either, he knew how important it was for Rapunzel to gain a new friend since she left her old tower life behind, so he recommended that she tries to bond with Cassandra through an activity that came in the form of the Contest of the Crowns as she choose Cassandra to be her partner. After a few bed rounds before Rapunzel and Cassandra finally connecting allowed them to make it to the final challenge, where Eugene watches them face the giant iron lion from the stands as he supports, the girls became proper friends while Eugene and Cassandra became rivals. Along with Cass using Rapunzel's royal duties as means to ruin the romantic moments Eugene wants to have with Rapunzel.

After Eugen proposes to Rapunzel, who wasn't ready for marriage at the night, Cassandra sneaks her friend out of the castle and over Corona's wall to cheer her up, while back at the castle Eugene tries to talk with as he is unware of their midnight outing until the next morning once he saw that Rapunzel's long blond hair has returned. Since she and Cassandra failed to get rid of her new hair, Rapunzel asks Eugene to keep its return a secret and even though he is still a little shock by it and wishes that they were playing a joke, he agrees to keep quite. Cassandra wasn't happy that he knows about Rapunzel's return hair, but was glad that he isn't aware of the part she played in it. At Rapunzel's coronation Cassandra and Eugene looked at each other before their friend about to crowned, it gets crashed by Lady Cain as she makes herself known and began to capture a few of the nobles, including the King. Seeing her father about to be taken away Rapunzel reveals her returned hair so she could save him, with Eugene and Cassandra's help. Once Lady Cain and her men were defeated and arrested for their crimes, Eugene goes to see Rapunzel after she had a word with her father about her hair and kept Cassandra's involvement out of it, as he reassures her that they'll get the next step a lot more slowly.

When Rapunzel began to have nightmares since her hair grew back, she tells Cassandra that she needs to find answers about it and that they should properly let Eugene in on it, but Cassandra wouldn't have it since Eugene can't keep a secret, in which she later coldly reminds him of, and that they should keep their "hair" investigation to themselves. Cassandra's words had upset Eugene and wanted to prove to her that he can keep a secret, which later caused problems shortly after he found the girls in Old Corona and saw Varian's about to blow invasion. After the dust cleared and the trio were about to head back to the castle, Rapunzel tells Eugene what they were about to and who was with her on the night her new magical hair grew back, and that she needs him to keep it all a secret, while Eugene would enjoy getting the better of Cassandra he agrees to keep quite for Rapunzel.

Once Eugene and Cassandras' bickering came too much for Rapunzel to handle and wants them to get along with each other, so she could get a few minuets of peace and quiet, she sets up a team bonding challenge for the two in one of the dungeon's sells. Either of the two were happy about being locked in the same sell together and were having trouble working with one another to uncover Rapunzel's task, but their time there did allow them to see that they do have one thing in common; they're both orphans who have no idea who their birth families are/were. Even though Rapunzel was grateful for the quiet she is getting, the princess was starting to miss Eugene and Casandra's company. Despite Rapunzel's well meaning plan led to Eugene and Cassandra being held hostage by the Stabbington Brothers, they were able to work together in freeing themselves from the thieving brothers before defeating them with the new respect they have for each other, but it are there still times where they can't stand each other and only put their differences aside when it comes to the shared friendship they have with Rapunzel.

Fanon
Rapunzel, Eugene and Cassandra are the main trio of the Tangled TV series, with Rapunzel as the glue that kept together until season three when Cassandra's envy for the princess became one of the reasons she betrayed the two.

Fandom
FAN FICTION
 * Cassandra/Eugene/Rapunzel tag on FanFiction.Net
 * Cassandra/Eugene/Rapunzel tag on FanFiction.Net
 * Cassandra/Eugene/Rapunzel tag on FanFiction.Net

Variations

 * Cassgene refers to the ship between Cassandra and Flynn Rider
 * Cassunzel refers to the ship between Cassandra and Rapunzel
 * Eugunzel refers to the ship between Flynn Rider and Rapunzel