Yumi is letting her friend's husband stay at her house until the renovations are finished. This was supposed to be her first meeting with her friend's husband, but the man who showed up was actually the man she is currently dating! The two of them desperately try to keep up appearances and pretend they are strangers to the unexpected situation, but that night, when Yumi peeks at the couple getting cozy in the guest room, her jealousy flares up and she finally explodes with desire...!!