How to seduce a lonely married woman

It has been more than three years since Satoru and Ryoko got married, and their relationship gradually began to slaughter. Ryoko in particular never felt sexually satisfied with Satoru, and as she quit her job, which was rewarding, she was left with the illusion that she was no longer her. One day, Ryoko meets Takashi, a university student who has moved to the house next to her...