There is a pilgrimage at Zero kara Hajimeru Isekai Seikatsu. In the heading of Chapter 1, the store in which Subaru reads a book actually exists. This is the Ministop store of Asumagaoka Higashiten in the city of Chiba. It is an 8 minute walk from JR Toke Station. It is located at the crossroads Asumigaoka1chome.