吉岡 美海

She is a married woman who is currently having an affair with Kyouji's younger brother Shougo, the heroine of the previous work.

This time, her husband is on a recreational trip with his workplace, so she lies that she is also traveling with her friends, and she and Shougo come to a hot spring hotel owned by Kyouji.

She loves hard sex. She Violent, foul-mouthed, and actually a dominatrix.