Library

This book is also known as "I am the Boy Who Delivers Treasures" and "The Reborn Female Supporting Girl Is Being Good Again" ~ She was born into an aristocratic family in the Eastern Region, and she used her reincarnation as a bet to win back her life and practice immortality. The big devil relied on countless favors to enter the world of immortality and soared freely. As for why he is the Great Demon King, haha, guess~