Aika transferred into the prestigious S Class for advanced learning at a famous school nationwide. However, there, all educational policies were entrusted to the absolute ruler, Mr. Touni, who implemented caste-like guidance. Students with the highest test scores were treated as kings, while those with the lowest were punished by being forcibly fixed and drugged with brain-altering substances for forced studying… 'Since you can't study, I'll give you a punishment as the class's slave.' Aika, a high school girl with large breasts, is fixed and subjected to punitive training for being an underachiever!
