A boy gets regressed and turned into a girl as his not yet born sibling takes his place

Maddie is an average 18 year old... Well she is for the most part. She is small for someone her age but she doesn't mind because she can usually fit into kids clothing which is cheaper than adult clothes. She lives with her mom, dad, younger sister and her pet cat. She loves being outside and playing with her cat. Everyone thinks normally of her but she has a "little" secret.

Victoria is in her last year of university and her perfectionist and cramming tendencies have led to some accidents as of late. To save herself from further embarrassment, she finds a solution from her past experiences.

After a series of interesting events, a teenage girl finds herself wearing diapers during her winter break.