Sorry for the late answer. You should make some breakfast before you pray, if you make it the answer would be pretty straightforward. If you still have trouble, I'll write a small guide for that part down below. Thank you for playing!
(Spoilers)
You need to go to the kitchen and make breakfast, if you examine the items you can mix them into making some eggs with toast. After you finish, the game will tell you about channel 304, where... You are going to see the answer to making the ritual properly.