A full-fledged NTR drama starring Fitch exclusive Mako Oda! Unlike her wife Akemi, her older sister Mako is kind and beautiful. I had feelings for her, but she was careful not to cross the line. However, the situation changes when Akemi and Mako discover that their husbands are having an affair. After Akemi and Yudai depart overseas for a friend's wedding, they reveal their betrayed relationship to Mako-san and go on an impulsive trip.