Rinka, who ran a cleaning company with her husband, was initially busy every day since its opening. However, she gradually lost customers to larger competitors, and now she's been struggling. Small-time contractor Ogawa's company was also a client, but they ultimately terminated their contract. When Rinka learned that Ogawa was hiring a secretary, she decided to go for an interview. However, what he was actually looking for wasn't a secretary, but a mistress. While it seemed absurd, Rinka, burdened with a large debt and desperate for love, accepted Ogawa's provocative kisses, testing his resolve...