- Voice Actor (CV)
- Asami Seto
- Role
- Supporting
- Identity
- Resident of Sunohara-sou and Vice President of Tanacho Middle School Student Council
Personality
Cool and Elegant
Secretly Adores Cute Things
Deeply Devoted to Yuzu
Big Sister Archetype
Hidden Gap Moe
Sumire Yamanashi is introduced as a tenant of Sunohara-sou and serves as the Vice President of the Tanacho Middle School Student Council. Despite her composed and refined appearance that exudes maturity, she harbors a deep fondness for all things cute and holds an intense admiration for Student Council President Yuzu Yukimoto. She often takes on a nurturing, older-sister role toward Aki, though she never regards him romantically. This striking contrast between her cool exterior and warm inner world makes her a quintessential gap-moe character.