Overlord of Blood and Iron - Chapter 4. Return (2)

Haruka, consulted by a friend who ran into a ghost at school, goes to the Movie Research Circle to see a man with mysterious powers. However, the person who meets her there is an affected young man with terrible bed hair and sleepy eyes. What does Haruka consult him about? A confinement and murder case at a women’s university, a false suicide case… The great detective who can see the spirits of the dead, Saitou Yakumo, takes these cases on in this astoundingly high-speed spiritual mystery!

Ila, who had served the Empire for half his life, was decisively betrayed. He wanted to go to another country, but was almost killed on the run and then saved by the Dragon Lady Demon King.After crossing over, Ila, who had killed demons for half his life, was a bit scared, but...“Those who struggle with the evil dragon should be careful not to become the husband of the dragon...”“When you stare at the abyss, the abyss... offers a kiss.”Ila Elkaras was very confused.But the reality he encountered forced him to examine whether the abyss stood in the demonic world or... “The Empire of Light and Justice”

This is a story about a badass,

Over a million years ago, the first human contracted with the first Spirit. Ever since then, Spirit use has become commonplace. Humans used Spirits to carry items and start fires. Eventually, even start wars. Thousands upon thousands of years past and one day, one human did the impossible. He transcended his mortality and ascended to the realm above.