A dying child that was placed in a mental hospital. her body is perfectly normal to doctors, but to her, she tells everyone that she's going to die, so doctors started to think that she was mental. When the little girl arrived, she was instantly greeted with warm welcomes from all the residents. Especially, a woman by the name "Rei Todoroki".
The little girl lived her life in tranquility, she was the so called "Little Angel" of the hospital. Doctors would go to her room simply to calm down and recharge on "Angel Energy".
The only person that the little girl talks to about her incoming death, is Todoroki-san. (Rei)
At first doctors were reluctant to allow the two to meet, Rei had attacked her own child after all, but that was quite some time ago, so they decided that it would be ok in the end.
The doctors were surprised by how easily the two got along. As soon as they met they immediately took a liking to each other. They talked over and over again, never getting bored. That was, until a certain conversation came up. When the little girl told Rei why she was there.
Her exact words surprised Rei to the core, but made her realize just how sad the world truly was.
"I'm going to die soon, but the doctor's don't believe me."
A girl on death's door, makes a friend.