Mikami, an employee at the Kirishima Inn hot spring resort, who had feelings for Mizuki (Tachibana), the only daughter of the Kirishima family, is shocked to learn that Mizuki is romantically involved with her colleague Takaoka and that they are planning to get engaged soon. The ones who approached the heartbroken Mikami were Kanzaki and others, yakuza who despised the Kirishima Inn...