Alea Akaki Tsuki o Haruka ni Nozomi by Caligula Soft - Adult Sex Game

"Alea Girls Boarding High School" has a history of almost one hundred years. But the number of students decreases gradually, and the school is about be closed down. Its creditor bank tells the school to make it coed, and the school voting is held in a couple of weeks. As a test, some male students are transferred to the school, including Kai, who always thinks about H things. The female students are confused to see the male students. He meets various girls there, and acts as he likes, without knowing his deeds decide the future of the school....