Mariko is enthusiastic about becoming the first female general manager at a major mobile phone manufacturer. However, her enthusiasm sometimes causes her subordinates to criticize her for being arrogant... At that time, she received a complaint from a major supplier. Mariko immediately asks her to apologize, but her client, angry at her attitude and saying, ``I don't feel sincerity!'', forces her to insert a vibrator into him. And Mariko continues to be humiliated by the vibrator shame that repeats every time she apologizes...