Dr. Folklore’s Dating Advice for Mythical Folks (Number 79) — Origin Story: This faceless, harmless, and possibly shapeshifting yōkai (or Japanese spirit) literally translates to “butt eye.” It first appeared in a picture scroll by Yosa no Buson, an Edo period poet, who wrote, “In Kyoto, at the Katabira crossroads, there is a monster called nuppori-bōzu. It has no eyes…