Summary
[This work is a combined volume with the same title] “I will tell you how many cups only the person who can solve this problem first!” My student is a twin ronin. They were troubled students who were more interested in girls than studying. If you make a rule of giving naughty rewards to those who get good grades, this will have an unexpectedly large effect! Every time our grades went up, I was rubbed against my chest, pinched my nipples, and even kissed her!?
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