Wait??? Why would i want an comfortable toilet?
Toilet is a toilet, even digging a hole is an a toilet using leaf is a.. Whatever but what is an uncomfortable toilet?
I want privacy when I using the toilet not just the comfiness. That's what a comfortable toilet is. Privacy.
How far will Isekai go before it's too far? Reincarnated as someones ass next? I become a keyboard in a magical fantasy land? What are the next concepts that will exist?