Urogi (空うろ喜ぎ, Urogi?) was a tall young man with a lean muscular build, dark long spiky hair that goes past his shoulders that have two shoulder-length bangs each side and two curved bangs on his forehead with a yellowish tinge, and narrow, deep gold eyes with amber sclera, having the kanji of Upper Rank ( engraved on his left eye, and the daiji for Four ) engraved on his right. He had brown skin, two prominent curved horns on his noticeably shrivelled and discolored reddish-purple forehead and cracked markings under his eyes. Urogi also had the kanji for "joy" ), etched into his tongue. As a demon, Urogi had pointed ears and sharp nails.

Karaku (可か楽らく, Karaku?) was a tall young man with a lean muscular build, dark long spiky hair that goes past his shoulders that have two shoulder-length bangs each side and two curved bangs on his forehead with a greenish tinge, and narrow, deep green eyes with emerald sclera, that have the kanji of Upper Rank) engraved on his left eye, and the daiji for Four engraved on his right. He had brown skin, two prominent curved horns on his noticeably shrivelled and discolored reddish-purple forehead and cracked markings under his eyes. Karaku also had the kanji for "pleasure" etched into his tongue. Karaku had pointed ears and long nails on each finger

Sekido (積せき怒ど, Sekido?) was a tall young man with a lean muscular build, dark long spiky hair that goes past his shoulders that have two shoulder-length bangs each side and two curved bangs on his forehead with a reddish tinge, and narrow, deep red eyes with red sclera, that have the kanji of Upper Rank engraved on his right eye, and the daiji for Four engraved on his left. He had brown skin, two prominent curved horns on his noticeably shrivelled and discolored reddish-purple forehead and markings under his eyes that give his face a cracked appearance. He also had the kanji for "anger" etched into his tongue. As a demon, Sekido had pointed ears and long nails on each finger.

Aizetsu (哀あい絶ぜつ, Aizetsu?) was a tall young man with a lean muscular build, dark long spiky hair that goes past his shoulders that have two shoulder-length bangs each side and two curved bangs on his forehead with a blueish tinge, and narrow, deep blue eyes with sapphire sclera, having the kanji of Upper Rank engraved on his right eye, and the daiji for Four engraved on his left. He had brown skin, two prominent curved horns on his noticeably shrivelled and discolored reddish-purple forehead and cracked markings under his eyes. Aizetsu also had the kanji for "sorrow" etched into his tongue. As a demon, Aizetsu had pointed ears and long nails on each finger.