There is good sake, and than there is Yukari's fetishes.

she´s not wrong.

Isn't that sacred stuff then? For youkai, it'd be like drinking horror movie acid.

There's a fanseries dedicated to it actually. Teach me Reimu

There actually is a kind of sake made with saliva, Kuchikamizake. It was invented before Japan had other forms of fermentation, so they would chew the rice to kick-start the process.