The Story of Rhodan

Our cynical protagonist has woken up as a character of a popular manga in her world; The Story of Aron which had reached its end. Not just any random character though, she is transmigrated as the protagonist's pitiful mother at her infancy. After she changed her name thus creating her own identity, she is set on completing her mission and making sure that the story doesn't stray but still changing her character's fate as well as dealing with many issues.

"My son, I will give you the life you never had."