Kaii to Otome to Kamikakushi Episode 4

An aspiring novelist teams up with an enigmatic colleague to solve supernatural urban mysteries! Ogawa Sumireko is a busty bookstore clerk who wants to become a novelist after some writing success in her youth. When strange occurrences start cropping up around the city, she teams up with her flirtatious co-worker Adashino Ren to look into them. But Ren is hiding a secret of his own! With their combined skills of occult knowledge, what will they discover as they investigate?

(Source: KADOKAWA Anime Channel)