Misaki:
- Main character
- 20 years old
- good with all kinds of knives and katanas
- she is the daughter of the oyabun of Fushichō-ikka
- still single
- she has five siblings:
Sota:
- Misaki's eldest brother
- 29 years old
- married + has one child
Yuki:
- Misaki's second oldest brother
- 26 years old
Kimiko:
- Misaki's older sister
- 24 years old
- married + pregnant
- there is little information about her, as with Misaki
Haruki:
- Misaki's younger brother
- 19 years old
Hina:
- Misaki's younger sister
- 9 years old
---
Tatsuya:
- Main character
- 29 years old
- good with weapons
- Shinjū-kai heir
- still single
- he has four siblings
Ryuji:
- Tatsuya's younger brother
- 27 years old
- in a relationship
Maki:
- Tatsuya's younger sister
- 25 years old
- married + two children
Kaito:
- Tatsuya's younger brother
- 21 years old
Yoshiko:
- Tatsuya's younger sister
- 17 years old
---
Ren and Makino:
They are closely linked to the Fushichō-ikka. Their family has served the Fushichō-ikka for decades.