The Entertainment Software Rating Board has rated “Ni no Kuni II: Revenant Kingdom Prince’s Edition” for Switch.
Ni no Kuni II: Revenant Kingdom first launched for PlayStation 4 and PC via Steam in March 2018. A Switch version has yet to be announced.
Here is an overview of the game, via its Steam page:
Welcome to the beautiful world of Ni no Kuni!
After being overthrown in a coup, the young king Evan sets out on an extraordinary quest to found a new kingdom, unite his world and protect its inhabitants from the dark forces that threaten them.