Me and (My) Cat's Castle

When you put a onigiri in your mouth, you can change your state of being.

It will lead you to the Cat Statue, a power spot at the end of each stage, which is a bit of a challenge. This is a jump action game.
If you put a onigiri in your mouth, you will go to the "Onigiri state".
By chewing and swallowing the rice ball in your mouth, you can change to "Normal" mode.
In Normal Mode, you can turn everyone into a rice ball by firing a shot, but the
You cannot fire a shot while in Onigiri state.
Also, in the "normal" state, you can't touch "everyone" which would be a miss.
In the "Onigiri State" you can be friendly and touch each other without making a mistake.
It's important in this game world to switch between these two different states, depending on the situation .

What is the purpose of the "I" who moves on despite enduring the pain over and over again?
What is the true meaning of the message "Cat" tells us?
The answer may lie beyond the (true) ending.