|Branch of Sin||Unknown|
|Manga debut||Chapter 13|
|Anime debut||Episode 8|
At some point in the past, Miyako was imprisoned in Deadman Wonderland. Later, she joins a resistance faction within the prison known as Scar Chain.
Miyako is a short, older woman with wrinkles. Her hair is a purplish gray color and she wears glasses with dark purple lenses. She dresses in a black garb.
Miyako was a quiet and kind old woman. Miyako would make use of some childish actions such as making peace signs and joking around with her fellow Scar Chain members. Miyako is shown to be a smoker.
Scar Chain Arc
Miyako was present with the rest of the Scar Chain during Nagi and Karako's presentation of the planned prison break. However, she along with a couple other Scar Chain members did not participate in the first attempt. She assisted in leading the guards astray.
After the first failed attempt, Miyako along with the remaining members planned to escape one more time. Later, during Bundō Rokuro's attack on Scar Chain, Miyako was present. When Kiyomasa Senji shows up and kills Mōzuri Gazuchi and Shinagawa Dōkoku, Scar Chain finishes the Undertakers off. She and the others beat information out of Bundō and then head off. When Karako is captured by the Undertakers, she along with the other members of Scar Chain come to her rescue. When Nagi was on a rampage, it appeared as though Miyako was killed by Genkaku.
Branch of Sin: Miyako is a Deadman, so she can freely move her blood out of her body. Her personalized Branch of Sin was never shown.
Katana: Miyako wields a regular katana with a white hilt. She is very experienced with it and she can cut an Undertaker in half without much trouble.
|G Ward||Kiyomasa Senji · Minatsuki Takami · Chaplin Sukegawa · Idaki Hitara · Itadaki "Masu" Kazuya · Mitsuzaki Yosuga · Toto Sakigami · Albatross · King Fisher|
|Scar Chain||Ganta Igarashi · Nagi Kengamine · Karako Koshio · Bundō Rokuro · Endō · Ohara · Kosugi · Kōmoto · Miya/Harumi · Wakabayashi · Yamazaki · Akiyama · Ueshima · Miyako · Kazu · Fujiyoshi/Matayoshi · Unnamed Deadman 1 · Unnamed Deadman 2 · Unnamed Deadman 3|
|Other||Shiro · Wretched Egg · Red Man · Chan and En · Hagire Rinichirō · Keigo Ugachi (OVA only)|