Karina Nishida speaks passionately about masturbation, prompting the production manager to remark, "There are girls out there who spend 80 percent of their lives masturbating." The moment she arrived for her interview, her deep curiosity about self-pleasure was evident, along with a display of numerous original masturbation techniques. Karina has long harbored a fantasy of kidnapping and confinement. Based on these fantasies, self-BDSM masturbation has become one of her specialties. Her masturbation is more than mere physical act—it's a compelling expression woven with intense emotion and imagination. Here is the real Karina revealed.