The Confused Little Snake Wants to Repay a Favor, Husband, Don't Be Afraid!

Three hundred years ago, a mortal saved me! To repay him, in my first life, I copied the tales of the mortal world and climbed into my benefactor's bed. But I forgot I was a giant snake. My benefactor died. In my second life, I followed my sister's example and took a lightning tribulation for him. But I caused him to miss his chance to ascend. My benefactor died. In my third life, he became emperor and ordered the whole country to catch snakes and rid the land of pests. I had just turned into a little palace maid serving tea, and I was trembling with fear. Your snake here only wanted to repay a kindness. I was dumped into the mortal world, out in the wilderness, with night falling and dew soaking everything. I curled my little bundle around a freshly roasted sweet potato. "Sss, it's so hot." Oh!