I Was a Wanderer and Was Picked up and Brought Home by a Beautiful Big Sister

Fangyuan was a wandering orphan until she was picked up and brought home by her beautiful older sister "Ai Li" when she was six years old. After the two lived peacefully for twelve years, their peaceful life was broken. It turns out that Fangyuan is actually the Emperor of Heaven? And the world-destroying evil demon is sealed in his body. Since then, Fangyuan has been involved in one conspiracy after another, and his partners have left him one by one. Even the powerful Sister Ai Li sacrificed her life to save him...