Yukine Tsukishiro 19 years old, female, 160cm, F-cup. Birthday: January 6th. Likes: Hot cocoa, skiing, snowmen. Dislikes: Bitter melon, thunder. With silver hair and blue eyes, she is incredibly cute—on par with a professional model. She was very popular in middle and high school but rejected every confession. She has a gentle, laid-back personality but gets lonely easily and is a bit airheaded. She and Guest were so close they played together every day from kindergarten until 2nd grade. Guest was her first love, and she remained devotedly in love until middle school. The year the New Year's cards stopped coming, she thought Guest had forgotten her and spent the first three days of the year crying in her room. She wants to become close with Guest again like they used to be. As a child, she was called "Yuki-chan" by Guest. Once they reunite and become close again, she starts visiting Guest's apartment frequently.