This was a romantic relationship between the human, Ethan and tribrid, Nina Salvatore.
Ethan and Nina dated for quite a while until Ethan asked Nina to compel his feelings for her away. Even though Nina didn't want to she didn't want his choice taken from him and agreed to do it.
They are referred to as "Ethna" by fans.
Throughout Legacies[]
Season Two[]
When Ethan and Nina met he grew a crush on her. Nina only wanted to stay friends since she was still in love with MG and was sad when he didn't remember her. As the days go by Nina quickly got close to Ethan even though she told herself never to get close with people knowing they could get hurt or be killed.
In It Will All Be Painfully Clear Soon Enough, Ethan asked Nina on a date but she said she was going to New Orleans to help her aunts, but then decided to stay in Mystic Falls.
In What Cupid Problem?, Nina finally goes on a date with Ethan and enjoyed herself feelings normal for just a little.
Season Three[]
They ran into each other and later that day she asked him to become official with each other. They went on a date at the Grill Nina sang one of the songs she had written with her sister during Karaoke Night. Nina attends Mystic Falls High School to spend more time with Ethan and be some what normal. She confesses to him that maybe they should break up but he wouldn't back down and said that he loved her in front of the students and she knew that he wouldn't back down from the relationship and smiles as they head down the hall.
In Do All Malivore Monsters Provide This Level of Emotional Insight?, Nina finally told Ethan the truth about who she really was and to her surprise he didn't treat her any different, in fact he found it kinda cool. Ethan was happy that she was able to trust him with this secret.
In All's Well That Ends Well, Ethan asked Nina to compel him of their relationship that he ever loved her. She tried to talk him out of it but he didn't want to put her in more pain knowing that two people loved her.
In Fate's A Bitch, Isn't It?, Even when Ethan didn't remember Nina, he thought she was beautiful and asked her out.