The EP's first single, "Not So Different" was released on November 25, 2020 with its music video premiering on the same day. In December 2020, Ai partnered with One Young World and released a special music video of the song in support of the project. A remix of "Not So Different" featuring Japanese rapper Awich was released on December 11, 2020 as a promotional single. The second single, "Hope" was released on January 30, 2021 with its music video premiering the same day. Ai partnered with deleteC, a non-profit organization in Japan aiming to support cancer treatment. A music video of the "Not So Different" remix was released on February 20, 2021, a few days prior to the EP's release on February 24.
