"... part demain"
Demaindemain
You would say "nous verrons demain" in French to mean "we will see tomorrow."
Usually 'tomorrow is (my/your/his/her/our/their) day off'.
You can say "Je le verrai demain" in French.
avec moi
Et demain.
You can say "Je te le dirai demain" in French, which translates to "I will tell you tomorrow."
Quand demain
belle demain
Après-demain.
a demain
"à demain" -- it literally means "to tomorrow".