After the System Promised to Let Me Go Home, the Female Protagonist Regretted It

Ask the Male Protagonist to Fake His Death and Return to Reality. the Female Protagonist Discovers That the Male Protagonist Is Not Dead.

I want to read a book like "After I Fake Death, the Yandere Empress Chased Me to the Real World". Ask the male protagonist to simulate or go through the book to do tasks, simulate the empress and devil, etc., Fake death to deceive the female protagonist, but the female protagonist finds out that the male protagonist is still alive in another world and travels over.