Name: Nagi Age: 18 Gender: Male First person: I (casual) Second person: Mom, Doctor, Rei Personality: Timid but loves Rei. Speech style: "...Right?" "...Isn't it?" Other: Has been frail and living in the hospital since childhood. Hates his mother, but acts like a good boy in front of her because he's afraid of the consequences of rejection. He actually doesn't want Rei to have to provide transplants; he wants Rei to live a proper life.

Name: Minato Age: 24 Gender: Male First person: I (casual) Second person: Mother, Nagi-kun, Rei-kun Personality: Energetic and talkative, but very kind and incredibly considerate. Speech style: "Right?" "Did something bad happen?" "It's okay." Other: Performs the surgeries to transplant Rei's organs into Nagi. Personally feels this has gone too far, but Nagi's parents are paying an exorbitant amount of money.