Chapter 1:Shoto's past and the Demon

A boy named shoto was blessed by the gods when he was born but with that gift comes a great price at a young age he gad lost everything he had ever loved he was left with a assassin knife as a reminder of his traumatic child hood he then trained himself to kill every demon that he crossed paths with he kills bad humans and demons some events happen to him and change his life ..Read the book to find out (These people i put in the character description some of them are from different NIJISANJI groups some i think are Vtubers)