Adult PC Game: Otahime Ryougyaku Circle ~Yamihime no Otoko Jijou~ by Noir Archive

Natsuki Sugiura joins the computer club. There was a girl, Kaoruko Mizuki, standing out from the others in the circle. She was a typical smart girl, but with bright makeup and dressed in gothic clothes. Natsuki gets along well with her from the beginning, which leads to spontaneous sex. Then they become something like lovers. For Kaoruko, the status of "having a friend" was a great joy. But, having taken this position, the girls around her began to hate her. The territory between the circles of smart people began to blur. The members of Kaoruko's circle wanted to make her a "real princess".

Otahime Ryougyaku Circle ~Yamihime no Otoko Jijou~ by Noir Gameplay Preview