Cool and beautiful. However, in reality, Mizuki Oka is a natural person and the gap unconsciously attracts men. She married a man 15 years older than her, whom she met at work six months ago, but she seemed somewhat unhappy about her marriage. "I wonder if my husband watches her like a younger sister who's older than him?" she gives the impression that she hasn't even been a "married woman" yet. He said he came to the AV scene to sort out his uneasy feelings...