After being dumped by his girlfriend of five years and facing career setbacks, a despondent Yu abandons everything and retreats to a hot spring inn alone. There, he meets Kana, another woman staying solo due to marital problems. As they talk, Yu and Kana grow closer, eventually becoming physically intimate. Throughout their stay, they passionately pursue each other, filling the void in their hearts. After bathing, their heated bodies cling together as they sweat and indulge in pleasure. Note: The recorded content may vary depending on the distribution method.