CMC-238 The Lineage of the Beautiful Secretary: Between Fiancé and President

My name is Nozomi Aomura. I've been in the secretarial department for three years since joining the company, and recently became the president's personal secretary. I have a fiancé named Takuya, who is perfect as an S-type boyfriend for me with a bit of M tendencies. However, one day, the president noticed the rope marks on my wrist... Since then, I've been secretly subjected to very perverse SM play in the inner room of the president's office. Takuya seems to have sensed something, and the intensity of our play has increased. As for me…