She studied accounting at graduate school and has experience working at accounting firms and law firms. Riku Nanase has a very uptight image and is thought to be an unapproachable, solitary figure. This uptight wife who was thought to only Kokoro her husband is actually a masochist who is submissive and willing to serve! "I guess I look like a sadist..." she says with a troubled look on her face. It seems that the gap between her appearance and her true personality prevented her from doing what she wanted to do... Due to the pressure of her job, she entered the world of AV, wanting to feel good without thinking about anything and be submissive...