zero.

In a world where there exists a person with a disease named KOKUHAKU; the rare condition that weakens the heart, leaving the person with limited heart beats, Kyoya kept his life still and calm in the hopes of living longer to achieve his dreams.

"Kyoya Ootori died at the age of 23"

(Inspired by that one story to which I forgot the damn title. If anyone knows, feel free to comment)