Newly hired employee Eri Mika from the sales department. Due to her serious personality, she's initially hesitant, but once an extra-thick vibrator is inserted into her pussy, she gushes abundant female juices and lets go. When she gives a deep-throat blowjob to the investigator's huge cock, she reveals an even more erotic expression. Despite having a boyfriend, her big ass sticks out as she vigorously thrusts back and forth—something you have to see. She passionately pleads for her boyfriend's understanding, saying this is work and asking him to forgive her.