Haruka Suzuno / Saeki Karen is a Japanese adult video actress known for her long career in the JAV industry and for using numerous stage names throughout her work. She made her debut in 2005 under early aliases in productions involving mature and married woman themes. She has worked with studios such as Hitozuma Engokai/Emmanuelle on the MYBA series under the name Saeki Karen, HEYZO on uncensored titles as Shinjo Yui, and various other labels for hitozuma content including appearances as Kinjo Rika and Fujiyama Misaki in related series. Her videos are primarily in the married woman and mature woman genres, with additional releases on platforms like FC2 under names such as Wanpaku-chan. A distinctive feature of her career is the use of more than twenty documented aliases across different studios and distribution channels.