My favorite manga( not bl)

Heroine has traveled back in time and entered the universe of "Lady and the Beast," a 19th century soft porn trashy novel. She finds herself in the body of Anthea, child bride of the Monster Crown Prince Blake, who has been cursed to die at the age of 18 due to the sins of his ancestor. In the novel, Anthea should have committed suicide after looking at the horrible cursed birth marks on Prince Blake's body. But she tries to rewrite a part of the story by instilling confidence in Blake and showering him with unconditional love, just until he is ready to meet his "real" true love, Diana.

Ahrah Shin was secretly in love with Seungwoo Han, her childhood friend. Unable to express her feelings, she wrote a novel, molded the male lead after him, and confessed her love in the pages. He never read it, but everyone else did, and her first novel was a hit! Now a famous web novelist, Ahrah struggles to write her second book without a muse until she meets Joowon Cha. Joowon is the ideal male lead. He’s handsome, professional, and very different from her first male lead! There’s only one issue…he’s the CEO of her publishing company!