Yukiko: Kagayaku Inochi

Yukiko finds out she has leukemia while studying in New Zealand. To live, she needs a bone marrow transplant but none of her family members are a match. She meets Otani Takako who was saved via his mother's bone marrow transplant and decides to participate in the Japan Marrow Donor Program recommend to her by Otani.
This manga was made to promote and raise awareness for the foundation in Japan.