The story about how Kirishima suffers from the Hanahaki disease caused by a certain someone...(Kiribaku)

Kirishima has a deadly illness with no known treatment. He has 6 months until the doctors estimate that he will die. Only 6 month to spend at UA with his friends. Only 6 months to spend with his family. 6 months to spend with Katsuki. But what if he falls for him? What if he learns the truth? No one knows about his sickness,it's easy to hide. Will a cure be found? Will Kirishima die? What's Katsuki going to do when the only person he loves may die? Find out in '6 Months'