Azusa is a young university teacher who lives next to the academy under the guidance of Hiroki Moriyama. She is an ordinary girl who lives in an apartment filled with memories of her first love. Her home has become a source of inspiration and comfort for her.

Japan has serious demographic problems. To solve them, they decided to open a special school in one of the cities. The main character Akihito got there along with his younger sister Umi. Now he has to save the city and its inhabitants.

Young girls from poor families can rarely count on a successful marriage. After all, their provincial suitors usually have neither influence nor sufficient funds. That's why attractive girls are so attracted to Edo, a city where aristocratic clans and rich nobles live.

The action takes place in a world created by Courreges Studios. The protagonist is Futaba, a second-year student. She is different from her classmates in that she has genitals of both sexes. Because of this, she faces difficulties: her sex drive overwhelms her and she is forced to masturbate in different places in the school.