If Korekiyo had to put a timeline, where such a sharp decline of his health took place, it would be the day his beloved sister died. The same one that had damaged enough for him to be unable to bathe, without feeling that familiar sensation in his stomach. It didn't matter that it had been years by now, no longer a twelve year old, but a seventeen year old boy, months away from becoming an adult. Days blended together, up until he had to do a group project, in the school grounds.