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Artist's commentary
The case of the Math Mistress
DrGraevling
Ever since Benzaiten employed their new math teacher, attendance raised dramatically. A lot of the school's boys (and girls) were completely enamored with the charming teacher. A lot of students also got completely ecstatic about the idea of staying for extra-curricular work with her.
At the same time, a lot of students who did this became lethargic and slow outside of her classes.
Mystery Hunters Yagi and Libby attended one of her extra-curricular sessions...