Runa Kobayashi is a Japanese adult video actress born on November 11, 1993, in Tokyo. She debuted in the JAV industry in July 2012 at age 19 and remained active until around 2017, starring in approximately 27 films. Standing at about 148-150 cm with a petite slim build, her measurements are 83-54-82 and she wears a D-cup bra size. Known for her versatile performances, Runa excelled in roles ranging from innocent schoolgirls to seductive hotwives and maids.
She brought genuine enthusiasm to her scenes, often praised for her natural on-screen charisma and bisexual appeal in some productions. With blood type O and a Virgo sign, the Tokyo native appeared in both censored and uncensored works for studios like Tokyo-Hot. Her short but impactful career has left a lasting fanbase in Japanese adult entertainment, where her petite frame and expressive acting continue to attract viewers worldwide.