The Stethoscope of Time: My Sister Is My Mom!

Jiang Qingqing grew up with her grandmother and often fought with her mother, leaving a deep rift between them. After yet another, more heated argument, she unexpectedly transmigrates to her mother's time. By experiencing everything her mother went through again and again, she gradually understands her mother's difficulties and helps her parents' marriage along. She also meets Chen Zexi, and all sorts of hilarious mishaps follow.