Yukinoshita Yukino's perspective on events in the series.
The little sister returns home. The one who should have been there to greet her is absent. A glimpse of the past.
Yukinoshita Yukino's Christmas during her first year of high school. This is the holiday of the ice princess without a single person she could call a comrade.
During that fateful first day of high school, Hikigaya Hachiman made a choice that set him on his lonesome path. This is a story of the car accident that occurred during that day.