The lovely student, Kanata, helps out at her father's construction company and is adored by the workers. However, unbeknownst to them, Kanata secretly has a penchant for older men, finding pleasure in watching them work. One day, inside the company, Kanata picks up a worker's uniform and sniffs it, then grabs an electric massager and indulges in self-pleasure. This act is witnessed by a returning worker, and the aroused crew members gang up on her!