Ijiwaru Houteishiki

Have fun!

Translation:

chapter 7 English translation by Myrre new
chapter 6 English translation by Myrre new
chapter 5 English translation by Myrre
chapter 4 English translation by Myrre
chapter 3 English translation by Myrre
chapter 2 English translation by Myrre
chapter 1 English translation by Myrre

Japanese scans:

chapter 7 here
chapter 6 here
chapter 5 here
chapter 4 here
chapter 3 here
chapter 2 here
chapter 1 here

Other names:

イジワル方程式