The Ubuyashiki family, known to lead the Demon Slaying Corps were born with a weak body. However Ubuyashiki Enmei, the younger brother of Ubuyashiki Kagaya, was different. He was born with a normal body, except thing. Join Enmei as he enters the demon corps and end this long lasting battle between demons and humans. --- I don't own Kimetsu No Yaiba - only some of the characters in this fanfic