Touhou but on a horse is an interesting concept. I like that you can switch between the 2 characters with different types of shots. Enemies seem to have good variety in their attacks.
It was a bit difficult to tell where my hitbox was. I realized later that when you press the button to slow down, it shows you the hitbox, but I wish there was a way to see it without having to slow down, since doing so changes your attacks. It was also hard to tell when I took damage, a sound effect and a "hitspark" would help there.