God's Slave: Reincarnated Into an Academy of Heavenly Descendants - Chapter 134: Battle With A Three-Headed Hydra

Three Days of Happiness is a novel by Sugaru Miaki, also known as Fafoo. It’s a rewritten version of the story originally posted to 2ch.

The premise of the story revolves around a shop where one can sell away the remaining years of their life, and the consequences of doing so.

“I Say A Little Prayer” is a short related story which was posted along with the novel’s release. It spoils some things about the main story, but nothing major.

A new world, filled with mysteries and deadly dangers. New faces, hiding their true intentions. Horizons beyond his wildest dreams. The world of Ice and Fire has opened its gates to him—there is no turning back.Born into a family of ordinary knights, he has no powerful benefactors, no secret knowledge of what lies ahead, and only a vague understanding of this world’s ways. But one thing is certain—he will never stop moving forward. Intrigue, betrayal, enemies—mere obstacles on a path he will carve with his own hands. His life will become a legend, but what kind of legend? That is for him to decide.The first step has been taken. Welcome to a journey that will shape the fate of Planetos.

In his last life, he was a superstar that dominated the entertainment circle. In this life, he is a rebellious second generation wastrel.

Transcend to become the prince of Daxia, activate the Devil Emperor Summoning System, summon the powerhouses from other worlds, and fight for hegemony in the heavens!

If I were the Devil Emperor in the future, I would definitely let your blood stain the sky!

- Description from novelbuddy