The Heroine's Younger Brother (Transmigrate into a Book)

An He transmigrates into a sweet, feel-good novel and becomes the younger brother of the heroine, who has a golden finger so powerful it breaks the heavens and is loved by everyone.

An He decides to cling to his sister's powerful coattails and become a quiet, handsome young man.

But he never expected the villainess to be reborn. She's determined to take out his sister and steal her brother-in-law, turning a sweet romance into a tragic one.

An He just wants to happily enjoy their romance from the sidelines. As a lazy fish, he'll die, and the pressure is getting to him.