I Became the Younger Brother of the Female Protagonist in the Novel

A web novel whose serialization has been discontinued, [Returning Villain, Sophia]

I was born as the younger brother of the heroine in the novel.

“By the way… why did you reincarnate as an incompetent child with no talent?!”

As the incompetent child of my family, I was given a special ability that would make even the word genius obscure.