S0E18: Re:PETIT ~Starting Life in Another World From PETIT~ 7: From Zero

Subaru attends a doujin event (Comiket) and is surprised that Rem is in a circle. He proceeds to read the book she made and it describes everything that Rem knew about Subaru to a disturbing accuracy. As expected zero volumes were sold and Rem used her famous quote “Let’s start here from square one, no from zero!”