Sorry, I Don't Do Kept Man

Thirteen years ago, Liam Morgan lived off scraps with his grandfather. When the old man died, Liam was taken by a reclusive immortal to train in the mountains. Now, he returns as a powerful cultivator. The first thing he does? Tear up his old marriage contract. He won't be a kept son-in-law. If there's a legacy to build, it'll bear his name.