- Voice Actor (CV)
- Momo Asakura
- Role
- Supporting
- Identity
- A lively third-grade elementary school girl who is the younger sister of protagonist Yukina Shirahane, residing together at their uncle's temple
Personality
Passionate fan of historical dramas
Energetic and surprisingly mature for her age
Open-hearted and welcoming to others
Mischievous prankster
Koharu Shirahane is a heartwarming and energetic supporting character who brings warmth and comic relief to the story. As the younger sister of Yukina Shirahane, she lives alongside her sibling at their uncle's temple. Despite being only in third grade, Koharu harbors an unusually deep passion for historical dramas that far exceeds what one might expect from a child her age. When the time-traveling samurai Kennosuke arrives in the modern world, Koharu embraces him without hesitation, naturally bridging the gap between past and present. She frequently takes advantage of his unfamiliarity with contemporary culture to pull playful pranks, making her a lively and beloved presence throughout the series.


