On April 1, 2017 going to starts the 2nd season of the Monster Strike The Animation in all regions. Just like the 1st season the 2nd one will be available via the YouTube with subtitles. The length per episode is expanded to about 10 minutes and the official main visual of the show already published.
A new mysterious women character can be seen on it and a new transfer student in the main hero’s class. You can watch the animation on the same channel in here: https://www.youtube.com/c/AnimeMonsterstrike