I don't normally like Yuudachi but that "Grr?" just sounds so cute.

Yamakaze always arrives in time to make sure Papa doesn't get too friendly with another girl.

Apparently Yuudachi has plenty new lines with 'Garuruu' in them

Random_Fanguy said:

Yamakaze always arrives in time to make sure Papa doesn't get too friendly with another girl.

Even (especially?) her own sisters aren't safe from the wild Yama staking her territory.