At the request of a friend, Himori becomes a guarantor for a debt. However, his friend disappears, and he ends up taking over the remaining debt... With debt collectors making it difficult to make ends meet, Himori flees to a local hot spring resort. There he meets a married woman named Kiho, and as they grow closer, they end up having sex. Both feeling lonely, the two enjoy their brief rendezvous, sweating and devouring each other's carnal desires. But their separation comes suddenly...