There was a girl who lived an ordinary life and met a sudden death. She cursed her life for being boring and dying without achieving anything.... more>>

She wished for a life with a purpose, like the characters she read about in books.

And so, she was reborn. In the same world as the story she loved, as a character with a proper role. But...

Why did I have to be the villainess with only a tragic end!

Her reincarnation was as the antagonist heroine of the protagonist. She would have her fiancé stolen by the protagonist, be bullied, join forces with the Demon King, and ultimately be betrayed and killed by him.

I absolutely hated that future!

In order to live and obtain happiness, I would show everyone that I could become stronger than anyone else.

Even the Demon King, bring it on! <<less

For incompetence, Lewin, a Demon-Tamer adventurer, was banished from the hero’s party. Without being acknowledged for the tamer’s mystifying accomplishments…... more>>

However, the instant he comes into contact with Sasha, the Demon King of Death, one of the sealed Seven Demon Kings, he awakens to become a Demon King with the ability to subjugate Demon Kings! Moreover, by shattering the seal, he tames the demon king, Sasha——

Lewin, backed by Sasha, succeeds in drawing out the Demon King’s power and works to subdue all Demon Kings, the root of the strife between the humans and the demons.

An overwhelming fantasy of warriors by the boy who rules the Demon King begins. <<less