The 21-year-old Mo Sang Sang did not expect that when he woke up, he would become the 26-year-old Mo Sang Sang, with a bun attached. It's great now, I've never even been in a relationship and I'm about to start becoming a mother. Being a single mother is not easy, so in order to make a living, Mo Sangsang accepted the task of a system called "Save Regretful Life" and embarked on a journey to travel to various worlds and fulfill the wishes of others.