Square Enix after the PlayStation 4 and the Vita version, today released the Nintendo Switch version Ikenie to Yuki no Setsuna RPG game in Japan.
According to Square Enix a free DLC going to release in 2017 April what you can get from the Nintendo eShop called “Time Stadium”.

Using the DLC you can upload to the eShop 3 fighting data and you can choose one party at a time for fighting match. And you can download others data too.