He takes the plain-looking married female accountant in the company as his mistress, making her ejaculate "intense sadomasochistic fluid"... Shiina Yuna JUR-274

Shiina, an accountant at the workplace, is isolated in her department, making her an easy target for anyone to approach. Originally intending to relax in the stressful company, she took off her clothes, revealing large breasts and a big butt. Having not had sex in a long time, she felt incredibly sensitive! It was as if she had become a good man, experiencing multiple orgasms and reaching climax repeatedly. "It would be a shame if it ended like this," she thought, deciding to mold her into the way she wanted…