I Swapped Organs with an Immortal

Luo Fan is framed by his ex-girlfriend Liu Yan, having his organs removed and his body thrown off a cliff. He is saved by the immortal Li Xiaoyao, who, after failing his tribulation, transplants his own organs into Luo Fan. This transformation alters Luo Fan's appearance, which will revert in forty-nine days. Upon returning to his family, Luo Fan uses the unique functions of these organs to seize control of the Li family and complete his revenge.