Would you ever say "just I at dinner."?Would you ever say "just me at dinner."? Wtf lolz
Nitpicking aside, I hope they don't embrace the idea of americanizing the game. It would destroy the atmosphere.
It was translated so English speaking people can enjoy a Japanese game, not to bastardize it into American English. That would destroy the whole reason of playing a Japanese dating sim imho.
No, no you wouldn't. You'd say "Just me".
At least you should. Unless you don't know English grammar too well.