My guess is that Komari has a highest chance to exist irl since her personality is pretty relatable to a lot of girls. I doubt there will be any Yanami irl since she literally eats everything and always hungry (not that it's impossible but rather less likely.)
Since Darling in the FranXX is an anime original, it's best to discuss on how the story continues or branches off after the anime ending.
I certainly want to see how other squad members live after the ending or how the reincarnated Hiro and Zero Two will live.
We get new translated volume for every 3 months prior to season 2. Now we wait double the time for a single volume? Isn't this series getting more popular? Did Yen Press just not care anymore? 😭
PS: I know I can read from other sources, but I like the paperback version better (and it also contain more spicy scenes.)