Sana Imanaga (今永 さな, Imanaga Sana, born February 9, 1996) is a former Japan actress. He is a member of Esfrato. Since 2018, she has been active as "Sana Matsunaga". Born in Nagano Prefecture. Her hobby is visiting hot springs. In June 2016, she debuted as a prestige exclusive actress and is a short-cut and busty AV actress. In 2018, she moved his office to Esfrat and changed her name to "Sana Matsunaga". She became an exclusive actress for two companies, Idea Pocket and Attackers. In October 2018, she left Idea Pocket and became a Tameike Goro exclusive (Attackers continued). Since February 2019, she has left the exclusive office and is active as a project solo actress.