Wacky mother's day 2

Miranda is a single mother living with her scientist son, Matt, a year ago on mother's day she used to be a chubby woman and wanted to lose weight by drinking a shrinking formula from her son, the formula worked and gave her a sexy body but it end up shrinking her to doll size, eventually her son managed to get her back to her normal size and keep the lovely curves she wanted, at the current time, a friend and neighbor of her, Katherine, asked her to watch over her daughter, Annie, as she will return for her the following day on mother's day, as Matt believes that last year's incident isn't going to repeat, or it may occur?

This comic has 547 pages

Author's note: Is a miracle that in a few days I was able to finish it for today, happy mother's day folks