The Everyday Tales of a Cat God - Season 1 Episode 4 Memory Halation Summer
Overview: Urara, a Nightmare Eater, enters Yaoyorozudou to find its old owner, Makitarou, but she finds Yuzu his daughter instead. She enters into Mayu's dreams, but finds them so boring that she enters into Yuzu's dreams, causing her to see a nightmare about her tragic past.