This is the origin of what is called the 'Kajo gashi' (Kajo cakes, where the term 'kajo' is an alternative reading for the era name Kasho) that is customarily eaten for epidemic prevention and good health on June 16.
これが、6月16日に厄除け・招福を願って菓子を食う「嘉祥菓子」の習俗の起源となった