If you're looking for manga similar to Attack on Titan: Before the Fall (Light Novel), you might like these titles.
What we want is just one "death". Creative Street (Grave Yard) is a city where all corpses from all over the world gather and the economy is established. An immortal cadaver, Karon, who lives on the outskirts of the city, and the grave guard Moto. A strange "corpse" that can't be handled elsewhere is lost in the two ...The dark fantasy that begins with the death of a “twisted” creature between life and death begins.
The Flame Dragon Knight traces the rise of the warhammer-wielding warrior Grunbeld from humble beginnings to become the all-powerful Apostle who will one day face Guts in mortal combat!
I will destroy this world――After getting her village destroyed and persecuted by demons and cruel humans, Shitenji Kagari, a fox spirit, got to hate the entire world. In response to her wish, Kamitsu Saki,who sealed himself away many years ago, appeared before her. Despite being the strongest saint and having been known as the champion of five colors, he chose to show himself..... naked. "That was pretty close," said Ayaki who annihilated the enemies while wielding a divine blade. "It seems like, one way or another, I became your Shikigami - or to put it plain and simple - your slave. What do you wish for?"