- Voice Actor (CV)
- Satomi Akesaka
- Gender
- Female
- Birthday
- January 2
- Role
- Protagonist
- Identity
- The eldest daughter of the Nakano family, a second-year high school student who takes on the role of the household's surrogate homemaker
Personality
Gifted in both academics and athletics
Deeply responsible
Warm and understanding
Hardworking and dependable
As the oldest of five siblings in the Nakano household, Mutsuki single-handedly manages the family's daily life whenever their parents are away — cooking meals, handling chores, and keeping everything in order. At school, she shines as a top student, all-around athlete, and beloved figure admired by peers. At home, she is the unwavering pillar her younger brothers and sisters look up to. While she projects a calm and composed image in most situations, it is only in the presence of her younger brother Haruki that her guard comes down, revealing a softer, more unguarded side of herself.