He is the son of Kisaragi, the nephew of Hazuki, Minazuki and Uzuki, and the uncle of Harunobu, Hiroshi, Kuranosuke, Masami and Masaru. In the Manga he's the brother of Izō, Kazuki, Miu, Saburō, Shinsaku, Shūsaku, an unnamed brother, another unnamed brother, and ten other brothers. In the GDW Anime he's the brother of Izō, Kichinosuke, Kogorō, Shinsaku, Shintarō and Shūsaku.
Denshichi is a black-and-white Siberian Husky and Alaskan Malamute mix with blue eyes. The fur around his mouth is black but his muzzle is pale from above.
Denshichi lives with his brothers and father in Mutsu.
He is first seen hunting a bear with his brothers. After hearing from Shigure about the invasion of Ōu by Hōgen and Genba, he and five (six in the manga) of his brothers are sent to Ōu to aid them. He and his brothers fight Genba's minions who try to steal females and come in time to rescue Chiko in time with Shigure and Akame. He and his brothers later fight Genba's platoon and in commando to slay Hōgen.
Denshichi and all the Mutsu brothers are sent to Hokkaidō with the Ōu soldiers to help Hakurō and his pack who were getting invaded by the Russian Army dogs. Some of his brothers were killed in battle.
Denshichi plays a minor role, but is present with his brothers as they fight the Kurohabaki Clan and avenge the death of Kisaragi and his other brothers.
- He and his brothers are called Alaskan Malamutes several times in Ginga Densetsu Weed, despite the fact that their father was mentioned to be a Siberian Husky.
- He looks almost identical to Kichinosuke from the GDW Anime, the only difference between them are the white markings above Kichinosuke's eyes and their eye color.