|Branch of Sin||Unknown|
|Manga debut||Chapter 12|
|Anime debut||Episode 8|
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.
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.
After the first failed attempt, Miyako along with the remaining members planned to escape one more time. However, 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.
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.
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.
|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 · Rokuro Bundō · Endō · Ohara · Kosugi · Kōmoto · Miya/Harumi · Wakabayashi · Yamazaki · Akiyama · Ueshima · Miyako · Kazu · Fujiyoshi/Matayoshi · Unnamed Deadman|
|Other||Shiro · Wretched Egg · Chan and En · Hagire Rinichirō · Keigo Ugachi (OVA only)|