Yuri and Takatoshi are entering their sixth year of marriage. Takatoshi, her husband, is a successful salaryman working for a top-tier company. However, he's been struggling with unexplained erectile dysfunction, possibly due to work stress. One day, their childhood friend Ken comes to stay for a few days. Yuri, who secretly harbored feelings for Ken in the past, finds herself vulnerable to his sudden confession. Her husband witnesses this... and then, Yuri receives an unexpected confession from him as well. Despite her internal struggle, Yuri decides to...