Luberto

Luberto is the Slash ship between Luca Paguro and Alberto from the Luca fandom.

Canon
Luca befriends Alberto and follows him to the surface, where the befriend eachother. The explore the water, and eventually go the the human town of Portorosso, which is where the shipping started. They do almost everything together until Luca befriends Giulia, a human girl from Genova that only visits Portorosso in the summer. Alberto becomes jealous of Luca spending time with Giulia and got sick of it.

Fanon
Due to the simularities between the movies Call Me By Your Name and Luca, shippers immediately started shipping luca and Alberto.There is very limitied fan-fiction and art, but it exists.

Fandom
You Are My Sunshine

Trivia

 * This ship was deconfirmed by the director of the movie.