Angle of death { dazai x fem y/n}

{ A/N: this is the anime story not the manga, I on season 3 ep 35 part two of cannibalism Anything beyond that I don't know of, I won't do chapters on those eps, and none of the characters besides y/n are mine }

Y/n was a normal girl bur with a powerful gift to kill anyone with one snap of her fingers, she was a assassin, looking for the people to killed her family until she encounters a person how would stop hat and his name was osamu dazai