Sakuragawa Rikka

Rikka Sakuragawa is Kuro Sakuragawa's older cousin and the reason he visited the hospital as regularly as he did. [spoiler]Just like Kuro, she also has the powers of immortality and precognition, although she wants them to be removed and has tried medical science and suicide to no avail.[/spoiler] [spoiler]She is the creator of Steel Lady Nanase.[/spoiler]