The protagonist of Fragment's Notes and Fragment's Note -After Stories-. He became depressed after being rejected by his childhood friend, Asaka Yukitsuki. His life suddenly changed when his daughter from the future, Tenjou Miu, travelled back to the past to give him a happy ending.

He is currently living with his elder sister, Tenjou Haya. Yukiha has a strong ******ual love for his sister to the point where they kiss each other on the lips every day.

In Eri's route, Yukiha receives the nickname "Yuki-bear" from Eri./