Ashina Takuma

Kirika's delicate and weak childhood friend who always relies on her. He is on verge of death because of suffering from terminal illness. It will be hopeless for him without bone marrow donation from someone compatible. Fortunately, a suitable donor was found when everything falls into despair and the operation to save his life will be held in one month. However, little did he know that the "kind-hearted" donor had other plans for his beloved childhood friend in this one month.