Amaterasu

is an entity who is connected to Shinra Kusakabe.

Appearance
Hitohashira Me appears as a naked woman with shoulder length hair, who notably resembles Iris.

Personality
Hitohashira Me hates humans, and is filled with anger and hate.

Netherworld arc
When Shinra sleeps before his journey into the Netherworld, Hitohashira Me appears before him in a dream. He is momentarily awakened by a small earthquake and is confused by the dream, believing that the woman was Iris.

Special Fire Force Company 4 arc
Upon Shinra meeting Sōichirō Arg, Hitohashira Me connects with Shinra through the Adolla Link, telling him to let his anger explode as well as to embrace being a demon as people had labelled him as. Later during his conversation with Sōichirō, she possesses Shinra with the Adolla Link, leading to him fighting the Commander. While possessing Shinra, she tells him that they'll kill anyone who gets in their way.