Speaking of which, Akizuki Marina's boyfriend was truly miserable. What a terrible cuckolding—too pitiful!
Akizuki Marina was a good girl. Besides her beautiful looks, she also had an exceptionally good personality! Gentle, kind, shy, skilled at housework, just somewhat conservative... especially compared to other Japanese women her age.
She had a boyfriend she had been dating for a year, named Ono Masato, but because of her conservative personality, the two of them had only gotten as far as holding hands.
At the same time, for certain reasons, she was troubled by the promise she had made with her boyfriend: "After the regular checkup is over, we can have H." If things followed the usual plot, then next... Akizuki Kōzō, who had disguised himself as a gentleman and married the two sisters' mother, Akizuki Kadoko, would gradually gain their trust by exploiting the two daughters' psychological weaknesses. Then, through the drugs he had developed, he would achieve his mountain-like paternal love. After Akizuki Marina was violated by her stepfather, she would initially vehemently deny the pleasure, but would gradually come to crave it...
And... Ono Masato had waited a year for Akizuki Marina. He had only ever held her hand, yet someone else had thoroughly devoured her.
At this moment, Rita was already sitting in the classroom with Shiina Mashiro, listening to the teacher lecturing at the front.
However, Rita's mind was not on the lesson. Instead, she checked the Easter egg event she had just triggered.
``` Special event triggered
Event description: A professor and doctor from the A Biology Laboratory lost his male function in an accident during an experiment. Yet by chance, at the instant he met Akizuki Marina and Akizuki Airi, he felt a father-daughter affection that shocked him.
Therefore, in order to let the sisters