Demon Slayer : Another Conflict (the sequel)

As you can guess by the title this story is supposed to be a sequel of the famous manga/anime "Demon slayer" so, if you haven't finished the manga yet, beware of spoilers!

Anyway, let's talk about the plot... Have you ever imagined what would have happened if Tamayo's medicine couldn't actually kill Muzan's demoniac cells, when those infected Tanjiro? What if they were only put to sleep? Well you'll know as soon as you start reading this sequel...
The story takes place mainly in Tokyo, about a century after the great battle between Muzan and the demon slayer corps. The main character is Otakemaru Kamiya ,a 24 year old young man. From his reddish hair and gentle facial features one can tell that he is a descendant of Tanjiro, although his nature is completely different from the one of his ancestor. Otakemaru has some friends, a job and a house and for these reasons he seems exactly like any other normal person. But he is no ordinary man at all. In fact he is hiding many secrets and one in particular must never be revealed. A secret that changed his life forever at the age of 16.