Hiroyuki is a high school student. He happens to know that Kaho, his classmate, and Kasumi, Kaho's sister and his classroom teacher, have a lot of outstanding debt their deceased father left. He feels sorry and offers Kasumi to lend some money, but she refuses it. He negotiates with a creditor about it, but their debt is bigger than he expected. To pay off their debt, he starts day trading.... [From [url=https://web.archive.org/web/20090414221558/http://www.erogeshop.com:80/product_info.php/products_id/1010135]Eroge Shop[/url]] Unlike the story of the previous game, now Hiroyuki helps the sisters for free. Now it's pure love story.