Secretly Married To The Doting Heir

PLEASE NOTE: This volume contains multiple previously-released chapters. Please take care when you purchase to make sure you do not buy duplicate content from the serialized version of this comic.
"Do all wives have this sort of salacious thing done to them?

Ayumi, who works in the Accounting department, and Keima, the vice president, are a newlywed couple who got married without ever dating. However, their relationship is basically a secret, and only a few family members know about it. Due to various circumstances, they were together for a trial period of one year. Ayumi, who has been devoted to shogi all her life, is a novice and knows nothing about relationships. Every night, Keima teaches her about married life, which is erotic and embarrassing... For Ayumi, every night is like being on a high-speed train. She has to work hard to become a real wife. But it feels so good that she gets horny...