Katei Kyoushi X Saimin 2 ~Zettai Juujun

The main character Masato’s tutor was “a childhood friend’s evil sister”!

The tutors assigned to her by her parents because of her poor grades are the Shinjo sisters, who have been oppressing Masato for a long time.
During the tutor’s class, Masato weakens both physically and mentally as the girls’ stress is vented.
One day, due to a certain encounter, Masato
He gets acquainted with Otomo, the owner of the secret club “Gentildonna”.
The hypnotic device borrowed there eventually involves not only the heroines, but all the people involved――