Right on the store page :P
Cheat codes:
Go in the classroom and input the following codes (there is no UI, you will here a moan if the code worked). Arrows work instead of WASD. For mobile, swipe the screen (W = up, A = left, S = down, D = right)
WWSSA to gain Lewd Arcana
ASSWW to gain lewd blooms
DADDD to unlock all the combat gallery
DSASS to unlock all items
ASDWW to upgrade all currently unlocked items