Outside the company, Sumire is a cute younger childhood friend, but inside the company, I am her subordinate, and she is not allowed to defy me, let alone talk to me in a familiar manner! However, Kokoro down, she was excited when she saw me in a suit for the first time! She seemed to have fallen in love with me, saying "I look cool!", and she suddenly started clinging to me in secret from the other employees, and got in the mood for sex, leading to an unexpected office romance! She repeatedly asked for my dick, with a lewd face and voice that she would never show at work!