Dungeon Battle Royale ~ Since I became a Demon King, I will aim for World Domination - Chapter 300: A Demon King’s Book of Secrets

After an accidental death, in order to continue to live, Gu Bai had to choose to go through various wonderful books to complete tasks.

One day, Lin Tian, an 18-year-old high school student, accidentally binds with a producer system. As long as he binds with a partner and cultivates them into a super “idol,” he can receive rewards. When he meets the equally eccentric and obsessive cellist Gan Yanyu, they hit it off immediately and start creating short videos, striving to achieve the highest honor in music competitions!Thus,In a season of cherry blossoms, just after winning an international competition, Gan Yanyu plays a piece that Lin Tian has never heard before on the stage in front of thousands of spectators.To Lin Tian's astonishment, the young girl puts down her bow and beams a radiant smile.“You’ve written so many pieces for me; this one is my composition for you.”“It’s called—‘Love Letter.’”

Reborn as a human, Xu Qing uses a bronze mirror to navigate the ups and downs of the mortal world, avoiding danger and seeking the path of immortality!