From Schoolteacher to Schoolgirl (Gender Swap Age Regression)

Phil has taught the third grade at Granite Falls Academy for almost twenty years, but he's never dealt with a parent like Ms. Marquad. When she's dissatisfied with her daughter's grades, she gives him a poisoned apple that turns him into a little schoolgirl. Now he's a student in his own class, living with and being taught by the woman who changed him. If he can make it through the whole year, he might get his life back, but can he hold out?