[Single female protagonist Hermione (yandere version), invincible, daily, only the Harry Potter world, a lot of personal settings.]

[I'm really a yandere, I don't like it if you mistakenly enter. I really can't write a description, so let's leave it at that.]

Humans are the protagonists of this world. They will never know their own potential, let alone what kind of existence they can give birth to.

When humans created the word fear, fear took on a physical form...

[Slytherin][Hermione is the only female protagonist][More rigorous: After living in another world for ten years, the protagonist barely remembers a little about Harry Potter][Not a system]

The false devil:

Gather the Saints to fight against the Muggles.

Occupy Britain and attack the school.

The real devil:

Destroy the world and cause great suffering to all living beings.

Elias traveled through time for eleven years and suddenly found out that he had traveled to the world of Harry Potter and was chosen by the bloodline of the devil!

You only need to gather three of the seven deadly sins: pride, wrath, laziness, greed, envy, gluttony, and ecstasy, and the power of the devil in your blood will automatically summon the devil to possess you and destroy the world!

For the peace of the world,

From that day on, Elias knew that his idle life would be gone forever...