Today is October, Friday the 13th, so maybe watch some horror, but my car says it’s also Sweet Potato Day サツマイモの日 “satsuma imo no hi”. They are in season in Oct, but why the 13th? Kawagoe city, said to have great satsumaimo, is 13 “ri” away from Edo. 🍠🇯🇵

Photo of Sweet potato car in Akihabara