Pier Guesses

Luca's parents trying to send him to "the Deep" conversion therapy as a form of protection because they're worried if he keeps going to the surface displaying his queerness people will harm him?

Especially when they find out he's going to the surface with someone else hanging out with someone deemed a deviant that's going to turn him gay??

Luca's grandma encouraging his exploration of the surface and his curiosity himself and his identity and feeding him positivity about it because she herself went through the same process when she was younger???

Alberto's father abandoning him because he deems him as old enough to take care of himself "I will not tolerate you being like this under my roof. If you want to live with me you have to stop being like this." and Alberto didn't so he was abandoned????

Luca and Alberto never having any real friends or close bonds like this and thus bond extremely quickly and decide they want to travel the world together just the two of them????? Tell me which queer kid HASN'T thought of doing this with their first real crush.

Luca's parents stepping outside of their world and into the new world Luca's gone into in order to find him in an attempt to save him their heteronormative world into the deviant world Luca's gone into in the name of "concern and protection" to take him to The Deep before he "gets hurt"??????

Alberto becoming increasingly jealous and frustrated as he feels his one close and new friend crush, admirer, and confidant being stolen away by some other new stranger and getting side tracked from their shared dreams??

Alberto revealing he's a sea creature queer to Giulia in order to show Luca that they wouldn't be accepted and even harmed and thus should just continue their goal of it just being the two of them on their worldwide journey (he's a very angsty kid okay)???

Luca denouncing Alberto and their true forms out of anger and fear in order to protect himself and stay in the new human world he found in order to be comfortable and their queerness in order to hide himself and stay closeted in the new, safe world away from his parents that want to send him away???????

Luca revealing that he's a sea creature a queer kid in order to save Alberto who also risked revealing that he's a sea creature queer to the whole town in order to help Luca win the race and keep him from revealing outing himself????

The old ladies revealing that they've been sea creatures they're both queer and been in a relationship together the whole time after seeing the newer generation brave enough to be themselves for the sake and safety of each other???????? And that they're probably who Grandma goes to see when she goes to town every weekend?????????

Alberto having a common queer journey of found family in Giulia and Massimo whilst Luca has the common queer journey of having his family accept him as he is and let him go into the world, assured that he would be fine because he has amazing supports by his side????

Alberto and Luca holding onto each other as long as physically possible before the train pulled away, and the shot going to their hands holding on before slipping out of each other, finally followed by Alberto chasing down the train until the end of the platform IN THE RAIN?????????? As if that's NOT a trope straight (heeheehhee) out of a hetero romance movie???????????