Also known as: 高坂雪穂
The younger sister of Kosaka Honoka. She has short Brown Hair and Blue Eyes, and occasionally wears red-framed Glasses while reading. She's often more mature and responsible than her older sister, though she has a habit of doing embarrassing things when by herself. Yukiho lives in her family's sweets shops with her mother, father and Honoka. She is good friends with Ayase Alisa.