"May I make you feel even better?" This is a sickeningly sweet body makeover thanks to a younger, Golden Retriever-type man!

Niko Momoen is a chubby girl who loves to eat and is known as "Monyuko" because of her size. She's dumped by her boyfriend because of her weight and resolves to get revenge by changing herself for the better! She begins to go to a one-on-one personal trainer. Her trainer, Hoshi Kono, is a cheerful, kind, Golden Retriever-type of man and is 100% Monyuko's type. His looks are pleasant and he has a toned body. "You shouldn't feel perverted feelings toward your trainer!" She tries to deny her worldly desires, but when they're alone together training, their bodies touch. Her heart can't stop fluttering...!