Risa Murakami Is A Japanese Adult Actress Whose Professional Names Include Sarina Takeuchi And Risako Mamiya. She Was Born In Chiba On May 24, 1983. Her Screen Credits Span Adult Video And Feature Productions, Including Work Released Under Risa Murakami In 2008 And A Named Role In A 2014 Feature.Several Different Names Appear Across Her Filmography, With Explicit Credits Connecting Risa Murakami, Risako Mamiya And Sarina Takeuchi. Those Credited Names Provide A Useful Guide To Work Released By Different Producers.