I Practiced Swordsmanship in the Martial Arts World and Became an Immortal in One Day

Protagonist's surface image: Su An is a good-for-nothing seventh prince who is regarded by everyone as "extremely dissolute, politically incompetent, and lost in playing with things". He is addicted to wine and sex, and has no ambition to make progress. True identity: In fact, he is a hidden swordsman genius and power strategist who secretly controls the largest intelligence organization "Zuiyue Tower" in the world.