A Sakura Taisen spinoff mobage developed by delightworks and releasing in Japan on the 15th.
Character designs are cute, 3d and sound design have a distinctly budget feel, but who knows.
They did an original anime episode that's the game prologue and was quite good: https://www.youtube.com/watch?v=poo9It1m7bA
Are you waiting for it? Will you give it a try?