Boo and Cutesu

Boo and Cutesu introduces Cutesu the toy dog of Mia.

Boo gets jealous when Remy likes Cutesu so when Cutesu hides in Remy's dad's vehicle, Boo doesn't help find him and he gets driven off.

This is to the beach risking Cutesu malfunctioning in the water which worries Mia.

Mia also mentions she is a year older than Remy.