Akiko Ikuina

 is a Japanese actor, singer, and tarento. She joined the Japanese pop idol group Onyanko Club in 1986.
Cancer Battle.
In November 2015, Ikuina announced that she had received treatment for breast cancer. She was first diagnosed in April 2011 on her 43rd birthday, and had undergone five different surgical procedures in the time between her diagnosis and her announcement, the most recent of which had resulted in a total mastectomy of her right breast. 
In 2016, she released a book entitled "To my Right Breast: Thank You and Farewell" "(右胸にありがとう そしてさようなら)" documenting the four-year, eight-month long battle from her diagnosis to her fifth surgery.