The fate of her hometown falls upon the girl… Shizuma Yakumo and Yuuka Mizusawa. An unfortunate event that hits two pure and naive couple. Yuuka is forced to live together for two months with Kaneshiro Ryoji, who came from the same hometown as her mother, because of a fate related to her mother’s birthplace. Her body , which even her lover had only held once, are thoroughly developed, and she falls into a swamp of humiliation.