Amerygo had lots of fortune, through hard work. Unfortunately, his sons were refusing to follow in his footsteps. However, the tables surprisingly turned thereafter. But what really stirred the change? And so I urge you to join in the discovery of what occasioned the turn of the tables .

"I will never forgive him. I will never show him mercy. I'll kill you, Kibutsuji Muzan!!!!" A boy as normal as you and I. All he had was his sister, his home, and a dream. But after everything was taken from him, he realized something. "Not everyone can be saved". Despite this he picks up a blade. He's not a hero nor a saint. He's a nameless swordsman born under the night sky. After being taught a Breath Style, what will he do when the person who taught him is working for the same man he pledged to kill.