Attempted translation:
Fate: I'm home
Nanoha: Ah, welcome home, Fate-chan
Nanoha:Mou, you're late, Fate-chan. We've already eaten! *We even waited for you or We were waiting for you*
Text above box: I'm home kiss
Fate: Ah, I'm sorry .
Vivio:Fweh? Fueito-mama? (it's spelt wrong to show she's sleepy)
Vivio: Welcome home.
SFX: Kiss/chu
Fate: Mm, I'm home, Vivio
~**~
Thanks for correction, Nagumo!