[Chijoku An (Sasanoma Nibi)] Seijin Dansei Shikkaku nano de Onnanoko toshite Saikyouiku o Uketekudasai [AI Translated]

Rima was supposed to be a grown man—until failing the new adult test sentenced her to re-education as a little girl, complete with elementary school worksheets, strawberry-print panties, and a bossy onee-chan ordering her to bed early. The only escape is saving up 'adult points,' but Ruto and his voluptuous companion decide to 'test how cute she is right away,' pushing the flustered tomgirl into drooling, teary-eyed oral service and a merciless stretch that leaves her trembling tiny body utterly spent. One month later Rima answers compliments with a dreamy 'Yeah♡' while her stern sister peeks in on the aftermath, clearly the next student enrolled in the curriculum.