The Flowers on the Desk are a Message! - S1.E5

Inugami appears in her female form. Taking advantage of being the same sex as Kohina, she begins doing things she cannot do as a man to close the distance between them. However, she instead finds herself being badgered by ladies' man Shigaraki, and seeing this, Kokkuri-san worries for the corruption of the Ichimatsu household's morals...