Every year, Yoshikazu, the husband who eagerly looked forward to his wife Reina's birthday by marking it on the calendar and counting down, had only 11 days left until this year's birthday... His boss, Ohki, secretly envied Yoshikazu's buoyant mood. With his recent promotion, Yoshikazu had surpassed Ohki. Upon going to Reina, Ohki pushed her down and, mimicking Yoshikazu's countdown to the anniversary, counted "10, 9, 8..." as he ejaculated his filthy semen inside Reina...