Shinoda Yu is married, but her husband barely touches her anymore.
One day, she was venting her frustrations with a female friend at a pub when the guy from the next table, Yudzuru, overheard them.
As they are drunk, they quickly make an acquaintance and go back to the room together. After that, they both understand that they want the same thing: generous amounts of sex. As his young guy’s stamina matches her frustrated lady libido.
She receives a spare key to his room for her to visit anytime, increasing her temptation.