Good stuff, though I have to repeat what others have said, normal is a bit tough. If there were some way to dodge/dash or block then that would balance out the difficulty. As it stands, I can't imagine doing some of the levels on normal difficulty, especially the levels with enemies that shoot bullets. If you shot up and down while shooting or you could choose a direction to shoot that would also likely be enough to help with the difficulty. Making your bullets destroy the bullets fired at you would help immensely, too.
Overall, it's good, the art and animations are endearing and sexy, and it's actually really nice to see an artist that doesn't shy away from showing a cumshot. I enjoyed it and am glad HennaLove went out of their way to make it. For what they call their introduction to the world it's an enjoyable one, especially since the player character is futa.