"Ohia no Ki" is a song by Japanese singer-songwriter Ayumi Hamasaki. It was released as a digital single only on July 5, 2020, following the airing of the final episode of M Aisubeki Hito ga Ite. The song is Hamasaki's first new release in almost two years and her first digital single since 2016's "We Are the Queens".

Ayumi Hamasaki is a Japanese singer, songwriter, record producer, actress, model, spokesperson, and entrepreneur. By 2002, Hamasaki had earned the nickname "Empress of J-pop" due to her popularity in Japan and throughout Asia, as well as being referred to as "the voice of the lost generation". Due to her success and relevance throughout her career, she is considered one of the top solo female artists of the Heisei era for her influence on the music industry and various fashion trends.